Comments update

18 files changed, 724 insertions, 389 deletions

diff --git a/LICENSE b/LICENSE
index 70f30ee..a26ada1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2020, Joe
+Copyright (c) 2020-2021, Joe
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/Makefile b/Makefile
index cf76bb6..a074287 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,20 @@
-##########################################################################################
-#*                                                                                      *#
-#*  File     : Makefile                                                   /_________/   *#
-#*  Author   : Joe                                                              |       *#
-#*  Date     : 04/2020                                                          |       *#
-#*  Info     : BSD Makefile                                                     |       *#
-#*                                                                      /       |       *#
-#*                                                                      \       /       *#
-#*                                                                       \_____/        *#
-#*                                                                                      *#
-##########################################################################################
+# ========================
+# =====    ===============
+# ======  ================
+# ======  ================
+# ======  ====   ====   ==
+# ======  ===     ==  =  =
+# ======  ===  =  ==     =
+# =  ===  ===  =  ==  ====
+# =  ===  ===  =  ==  =  =
+# ==     =====   ====   ==
+# ========================
+#
+# lowbat: Makefile
+# Wed Feb 10 19:20:35 CET 2021
+# Joe
+#
+# BSD Makefile
 
 default: all
 
@@ -21,16 +27,16 @@ MANPREFIX	?= ${PREFIX}/share/man
 C_SRCS		+= ${C_SRCS_DIR}/n_speak.c
 C_SRCS		+= ${C_SRCS_DIR}/n_notify.c
 
-C_OBJS		 = ${C_SRCS:.c=.o}
+C_OBJS		 = ${C_SRCS:.c=.c.o}
 
-A_SRCS		 = ${A_SRCS_DIR}/r_lowbat.asm
-A_SRCS		+= ${A_SRCS_DIR}/r_loop.asm
-A_SRCS		+= ${A_SRCS_DIR}/r_cpyhead.asm
-A_SRCS		+= ${A_SRCS_DIR}/c_args.asm
-A_SRCS		+= ${A_SRCS_DIR}/f_status.asm
-A_SRCS		+= ${A_SRCS_DIR}/f_percent.asm
+A_SRCS		 = ${A_SRCS_DIR}/r_lowbat.S
+A_SRCS		+= ${A_SRCS_DIR}/r_loop.S
+A_SRCS		+= ${A_SRCS_DIR}/r_cpyhead.S
+A_SRCS		+= ${A_SRCS_DIR}/c_args.S
+A_SRCS		+= ${A_SRCS_DIR}/f_status.S
+A_SRCS		+= ${A_SRCS_DIR}/f_percent.S
 
-A_OBJS		 = ${A_SRCS:.asm=.o}
+A_OBJS		 = ${A_SRCS:.S=.S.o}
 
 CC			 = cc
 CFLAGS		+= -std=c89
@@ -60,10 +66,10 @@ LDLIBS		+= -lc
 
 TARGET		 = lowbat
 
-ASM			 = yasm
-ASMFLAGS	 = -f elf64
-ASMFLAGS	+= -p gas
-# ASMFLAGS	+= -g
+AS			 = as
+# ASFLAGS	 = -f elf64
+# ASFLAGS	+= -p gas
+# ASFLAGS	+= -g
 
 LDFLAGS		?=
 LDLIBS		 = ${LDFLAGS}
@@ -78,12 +84,12 @@ CP			 = cp -pf
 MV			 = mv
 SED			 = sed
 
-.SUFFIXES: .asm .c .o
+.SUFFIXES: .S .c .S.o .c.o
 
-.asm.o:
-	${ASM} ${ASMFLAGS} -o ${.TARGET} ${.IMPSRC}
+.S.S.o:
+	${AS} ${ASFLAGS} -o ${.TARGET} ${.IMPSRC}
 
-.c.o:
+.c.c.o:
 	${CC} -c ${CFLAGS} ${CINCS} -o ${.TARGET} ${.IMPSRC}
 
 ${TARGET}: ${A_OBJS} ${C_OBJS}
diff --git a/asm/c_args.S b/asm/c_args.S
new file mode 100644
index 0000000..dabffd3
--- /dev/null
+++ b/asm/c_args.S
@@ -0,0 +1,92 @@
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/c_args.S
+ * Wed Feb 10 18:23:00 CET 2021
+ * Joe
+ */
+
+/*
+ * c_args(argc: rdi, *argv[]: rsi)
+ * -------------------------------
+ * returns 0 if args are invalid
+ * returns 1 if args are valid
+ */
+
+.text
+.extern strncmp
+.globl c_args
+
+c_args:
+	cmp		$0x2, %rdi
+	jle		no_args
+	xorq	%rax, %rax
+	pushq	%rcx
+	xorq	%rcx, %rcx
+	movb	$0x8, %cl
+	movq	(%rsi, %rcx, 2), %rax
+	cmpb	$0x0, (%rax)
+	je		no_args
+	pushq	%rdi
+	movq	(%rsi, %rcx, 1), %rdi
+	pushq	%rsi
+	movq	$reference, %rsi
+	pushq	%rdx
+	xorq	%rdx, %rdx
+	movb	$0x6, %dl
+	callq	strncmp
+	popq	%rdx
+	popq	%rsi
+	popq	%rdi
+	popq	%rcx
+	cmp		$0x0, %rax
+	jne		no_args
+	xorq	%rax, %rax
+	movb	$0x1, %al
+	jmp		return
+
+no_args:
+	xorq	%rax, %rax
+
+return:
+	retq
+
+.data
+	reference:	.asciz "--say"
diff --git a/asm/c_args.asm b/asm/c_args.asm
deleted file mode 100644
index 17f90c9..0000000
--- a/asm/c_args.asm
+++ /dev/null
@@ -1,59 +0,0 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : c_args.asm                                                 /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Check args                                                       |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
-
-/***********************************/
-/* c_args(argc: rdi, *argv[]: rsi) */
-/* ------------------------------- */
-/* returns 0 if args are invalid   */
-/* returns 1 if args are valid     */
-/***********************************/
-
-.text
-.extern strncmp
-.globl c_args
-
-c_args:
-	cmp		$0x2, %rdi
-	jle		no_args
-	xorq	%rax, %rax
-	pushq	%rcx
-	xorq	%rcx, %rcx
-	movb	$0x8, %cl
-	movq	(%rsi, %rcx, 2), %rax
-	cmpb	$0x0, (%rax)
-	je		no_args
-	pushq	%rdi
-	movq	(%rsi, %rcx, 1), %rdi
-	pushq	%rsi
-	movq	$reference, %rsi
-	pushq	%rdx
-	xorq	%rdx, %rdx
-	movb	$0x6, %dl
-	callq	strncmp
-	popq	%rdx
-	popq	%rsi
-	popq	%rdi
-	popq	%rcx
-	cmp		$0x0, %rax
-	jne		no_args
-	xorq	%rax, %rax
-	movb	$0x1, %al
-	jmp		return
-
-no_args:
-	xorq	%rax, %rax
-
-return:
-	retq
-
-.data
-	reference:	.asciz "--say"
diff --git a/asm/f_percent.S b/asm/f_percent.S
new file mode 100644
index 0000000..e50d1a2
--- /dev/null
+++ b/asm/f_percent.S
@@ -0,0 +1,83 @@
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/f_percent.S
+ * Wed Feb 10 18:23:30 CET 2021
+ * Joe
+ */
+
+.text
+.extern system
+.extern atoi
+.globl f_percent
+
+f_percent:
+	movq	$f_cmd, %rdi
+	callq	system
+	movq	$pr_file, %rdi
+	xorq	%rsi, %rsi
+	xorq	%rax, %rax
+	movb	$0x5, %al				/* sys_open */
+	syscall
+	jc		err
+	movq	%rax, %rdi
+	movq	$buff, %rsi
+	xorq	%rdx, %rdx
+	xorq	%rax, %rax
+	movb	$0x3, %dl
+	movb	$0x3, %al				/* sys_read */
+	syscall
+	jc		err
+	xorq	%rax, %rax
+	movb	$0x6, %al				/* sys_close */
+	syscall
+	xorq	%rax, %rax
+	movq	%rsi, %rdi
+	callq	atoi
+	retq
+
+err:
+	movq	$0xfe, %rax
+	retq
+
+.data
+	f_cmd:		.asciz	"apm -l >/tmp/lowbat.percent"
+	pr_file:	.asciz	"/tmp/lowbat.percent"
+	buff:		.byte	0x0, 0x0, 0x0, 0x0
diff --git a/asm/f_percent.asm b/asm/f_percent.asm
deleted file mode 100644
index d38daef..0000000
--- a/asm/f_percent.asm
+++ /dev/null
@@ -1,50 +0,0 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : f_percent.asm                                              /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Gets batt remaining capacity                                     |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
-
-.text
-.extern system
-.extern atoi
-.globl f_percent
-
-f_percent:
-	movq	$f_cmd, %rdi
-	callq	system
-	movq	$pr_file, %rdi
-	xorq	%rsi, %rsi
-	xorq	%rax, %rax
-	movb	$0x5, %al				/* sys_open */
-	syscall
-	jc		err
-	movq	%rax, %rdi
-	movq	$buff, %rsi
-	xorq	%rdx, %rdx
-	xorq	%rax, %rax
-	movb	$0x3, %dl
-	movb	$0x3, %al				/* sys_read */
-	syscall
-	jc		err
-	xorq	%rax, %rax
-	movb	$0x6, %al				/* sys_close */
-	syscall
-	xorq	%rax, %rax
-	movq	%rsi, %rdi
-	callq	atoi
-	retq
-
-err:
-	movq	$0xfe, %rax
-	retq
-
-.data
-	f_cmd:		.asciz	"apm -l >/tmp/lowbat.percent"
-	pr_file:	.asciz	"/tmp/lowbat.percent"
-	buff:		.byte	0x0, 0x0, 0x0, 0x0
diff --git a/asm/f_status.S b/asm/f_status.S
new file mode 100644
index 0000000..54f25a6
--- /dev/null
+++ b/asm/f_status.S
@@ -0,0 +1,92 @@
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/f_status.S
+ * Wed Feb 10 18:23:30 CET 2021
+ * Joe
+ */
+
+/*
+ * apm status
+ * ----------
+ * 0: high
+ * 1: low
+ * 2: critical
+ * 3: charging
+ */
+
+.text
+.extern system
+.globl f_status
+
+f_status:
+	movq	$f_cmd, %rdi
+	callq	system
+	movq	$st_file, %rdi
+	xorq	%rsi, %rsi
+	xorq	%rax, %rax
+	movb	$0x5, %al				/* sys_open */
+	syscall
+	jc		err
+	movq	%rax, %rdi
+	movq	$buff, %rsi
+	xorq	%rdx, %rdx
+	xorq	%rax, %rax
+	movb	$0x1, %dl
+	movb	$0x3, %al				/* sys_read */
+	syscall
+	jc		err
+	xorq	%rax, %rax
+	movb	$0x6, %al				/* sys_close */
+	syscall
+	xorq	%rax, %rax
+	movb	(%rsi), %al
+	subb	$0x30, %al
+	retq
+
+err:
+	xorq	%rax, %rax
+	movb	$0xfe, %al
+	retq
+
+.data
+	f_cmd:		.asciz	"apm -b >/tmp/lowbat.status"
+	st_file:	.asciz	"/tmp/lowbat.status"
+	buff:		.byte	0x0, 0x0
diff --git a/asm/f_status.asm b/asm/f_status.asm
deleted file mode 100644
index c07a2f3..0000000
--- a/asm/f_status.asm
+++ /dev/null
@@ -1,59 +0,0 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : f_status.asm                                               /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Gets batt status                                                 |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
-
-/***************/
-/* apm status  */
-/* ----------  */
-/* 0: high     */
-/* 1: low      */
-/* 2: critical */
-/* 3: charging */
-/***************/
-
-.text
-.extern system
-.globl f_status
-
-f_status:
-	movq	$f_cmd, %rdi
-	callq	system
-	movq	$st_file, %rdi
-	xorq	%rsi, %rsi
-	xorq	%rax, %rax
-	movb	$0x5, %al				/* sys_open */
-	syscall
-	jc		err
-	movq	%rax, %rdi
-	movq	$buff, %rsi
-	xorq	%rdx, %rdx
-	xorq	%rax, %rax
-	movb	$0x1, %dl
-	movb	$0x3, %al				/* sys_read */
-	syscall
-	jc		err
-	xorq	%rax, %rax
-	movb	$0x6, %al				/* sys_close */
-	syscall
-	xorq	%rax, %rax
-	movb	(%rsi), %al
-	subb	$0x30, %al
-	retq
-
-err:
-	xorq	%rax, %rax
-	movb	$0xfe, %al
-	retq
-
-.data
-	f_cmd:		.asciz	"apm -b >/tmp/lowbat.status"
-	st_file:	.asciz	"/tmp/lowbat.status"
-	buff:		.byte	0x0, 0x0
diff --git a/asm/r_cpyhead.S b/asm/r_cpyhead.S
new file mode 100644
index 0000000..f290cbb
--- /dev/null
+++ b/asm/r_cpyhead.S
@@ -0,0 +1,62 @@
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/r_cpyhead.S
+ * Wed Feb 10 18:25:22 CET 2021
+ * Joe
+ */
+
+.text
+.extern sprintf
+.globl r_cpyhead
+
+r_cpyhead:
+	movq	$buff, %rdi
+	movq	$n_head, %rsi
+	xorq	%rax, %rax
+	callq	sprintf
+	movq	$buff, %rax
+	retq
+
+.data
+	n_head:	.asciz	"Low battery: %d%%"
+
+.bss
+	buff:	.zero 0x11
diff --git a/asm/r_cpyhead.asm b/asm/r_cpyhead.asm
deleted file mode 100644
index 2e40877..0000000
--- a/asm/r_cpyhead.asm
+++ /dev/null
@@ -1,29 +0,0 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : r_cpyhead.asm                                              /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Formats and returns notification head title                      |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
-
-.text
-.extern sprintf
-.globl r_cpyhead
-
-r_cpyhead:
-	movq	$buff, %rdi
-	movq	$n_head, %rsi
-	xorq	%rax, %rax
-	callq	sprintf
-	movq	$buff, %rax
-	retq
-
-.data
-	n_head:	.asciz	"Low battery: %d%%"
-
-.bss
-	buff:	.zero 0x11
diff --git a/asm/r_loop.S b/asm/r_loop.S
new file mode 100644
index 0000000..032b96b
--- /dev/null
+++ b/asm/r_loop.S
@@ -0,0 +1,120 @@
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/r_loop.S
+ * Wed Feb 10 18:27:08 CET 2021
+ * Joe
+ */
+
+/*
+ * jo_r_loop(speak (0-1), *argv[])
+ */
+
+.text
+.extern sleep
+.extern f_percent
+.extern f_status
+.extern n_speak
+.extern n_notify
+.extern r_cpyhead
+.globl r_loop
+
+r_loop:
+	pushq	%rbp
+	pushq	%rbx
+	movq	%rsi, %rbx
+	movl	%edi, %ebp
+	jmp		bigloop
+
+bigloop:
+	callq	f_status				/* check the status */
+	cmp		$0xfe, %rax				/* if sys_open/sys_read failed */
+	je		err
+	cmp		$0x3, %rax
+	je		sleepalot
+	callq	f_percent				/* check the capacity */
+	cmp		$0xfe, %rax				/* if sys_open/sys_read failed */
+	je		err
+	cmp		$0xf, %rax
+	jge		sleepalot
+	movq	%rax, %rdi
+	callq	r_cpyhead				/* notification head */
+	movq	%rax, %rdi
+	movq	$n_body, %rsi			/* notification body */
+	movq	$0x3, %rdx				/* critical notification */
+	movq	$0x3a98, %rcx			/* 15000ms notification timeout */
+	callq	n_notify				/* n_notify(head: rdi, body: rsi,      */
+									/*          urgency: rdx, timeout: rcx */
+
+speak:
+	cmp		$0x1, %ebp
+	jne		sleepabit
+	pushq	%rcx
+	movq	$0x8, %rcx
+	movq	(%rbx,%rcx,0x2), %rdi
+	popq	%rcx
+	callq	n_speak
+
+sleepabit:
+	movq	$0x14, %rdi
+	callq	sleep				/* sleep 20 seconds before next check/notification */
+	jmp		bigloop
+
+sleepalot:
+	movq	$0xf0, %rdi
+	callq	sleep				/* sleep 240s (4m) if it's fine */
+	jmp		bigloop
+
+return:
+	xorq	%rax, %rax
+	retq
+
+err:
+	movq	$0x2, %rdi			/* stderr */
+	movq	$errmsg, %rsi
+	movq	$0x25, %rdx
+	movq	$0x4, %rax
+	syscall						/* write error message on stderr */
+	xorq	%rax, %rax
+	retq
+
+.data
+	n_body:	.asciz	"Please plug in computer"
+	errmsg:	.asciz	"Failed to read battery informations\n"
diff --git a/asm/r_loop.asm b/asm/r_loop.asm
deleted file mode 100644
index a3a9126..0000000
--- a/asm/r_loop.asm
+++ /dev/null
@@ -1,88 +0,0 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : r_loop.asm                                                 /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : The main loop                                                    |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
-
-/***********************************/
-/* jo_r_loop(speak (0-1), *argv[]) */
-/* ------------------------------- */
-/***********************************/
-
-.text
-.extern sleep
-.extern f_percent
-.extern f_status
-.extern n_speak
-.extern n_notify
-.extern r_cpyhead
-.globl r_loop
-
-r_loop:
-	pushq	%rbp
-	pushq	%rbx
-	movq	%rsi, %rbx
-	movl	%edi, %ebp
-	jmp		bigloop
-
-bigloop:
-	callq	f_status				/* check the status */
-	cmp		$0xfe, %rax				/* if sys_open/sys_read failed */
-	je		err
-	cmp		$0x3, %rax
-	je		sleepalot
-	callq	f_percent				/* check the capacity */
-	cmp		$0xfe, %rax				/* if sys_open/sys_read failed */
-	je		err
-	cmp		$0xf, %rax
-	jge		sleepalot
-	movq	%rax, %rdi
-	callq	r_cpyhead				/* notification head */
-	movq	%rax, %rdi
-	movq	$n_body, %rsi			/* notification body */
-	movq	$0x3, %rdx				/* critical notification */
-	movq	$0x3a98, %rcx			/* 15000ms notification timeout */
-	callq	n_notify				/* n_notify(head: rdi, body: rsi,      */
-									/*          urgency: rdx, timeout: rcx */
-
-speak:
-	cmp		$0x1, %ebp
-	jne		sleepabit
-	pushq	%rcx
-	movq	$0x8, %rcx
-	movq	(%rbx,%rcx,0x2), %rdi
-	popq	%rcx
-	callq	n_speak
-
-sleepabit:
-	movq	$0x14, %rdi
-	callq	sleep				/* sleep 20 seconds before next check/notification */
-	jmp		bigloop
-
-sleepalot:
-	movq	$0xf0, %rdi
-	callq	sleep				/* sleep 240s (4m) if it's fine */
-	jmp		bigloop
-
-return:
-	xorq	%rax, %rax
-	retq
-
-err:
-	movq	$0x2, %rdi			/* stderr */
-	movq	$errmsg, %rsi
-	movq	$0x25, %rdx
-	movq	$0x4, %rax
-	syscall						/* write error message on stderr */
-	xorq	%rax, %rax
-	retq
-
-.data
-	n_body:	.asciz	"Please plug in computer"
-	errmsg:	.asciz	"Failed to read battery informations\n"
diff --git a/asm/r_lowbat.S b/asm/r_lowbat.S
new file mode 100644
index 0000000..17939a2
--- /dev/null
+++ b/asm/r_lowbat.S
@@ -0,0 +1,59 @@
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: asm/r_lowbat.S
+ * Wed Feb 10 19:13:28 CET 2021
+ * Joe
+ */
+
+.text
+.extern c_args
+.extern r_loop
+.globl main
+
+main:
+	callq	c_args
+	movq	%rax, %rdi
+	callq	r_loop			/* jo_r_loop(speak: 0-1, *argv[]) */
+
+	xorq	%rax, %rax
+	xorq	%rdi, %rdi
+	mov		$0x1, %rax
+	syscall
diff --git a/asm/r_lowbat.asm b/asm/r_lowbat.asm
deleted file mode 100644
index a1da30b..0000000
--- a/asm/r_lowbat.asm
+++ /dev/null
@@ -1,26 +0,0 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : r_lowbat.asm                                               /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : The main program                                                 |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
-
-.text
-.extern c_args
-.extern r_loop
-.globl main
-
-main:
-	callq	c_args
-	movq	%rax, %rdi
-	callq	r_loop			/* jo_r_loop(speak: 0-1, *argv[]) */
-
-	xorq	%rax, %rax
-	xorq	%rdi, %rdi
-	mov		$0x1, %rax
-	syscall
diff --git a/src/n_notify.c b/src/n_notify.c
index f88f6b5..24b4d7e 100644
--- a/src/n_notify.c
+++ b/src/n_notify.c
@@ -1,14 +1,47 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : n_notify.c                                                 /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Uses libnotify lib to notify                                     |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: src/n_notify.c
+ * Wed Feb 10 19:21:25 CET 2021
+ * Joe
+ */
 
 #include "n_notify.h"
 
diff --git a/src/n_notify.h b/src/n_notify.h
index 9bd1c44..a3cec6a 100644
--- a/src/n_notify.h
+++ b/src/n_notify.h
@@ -1,17 +1,50 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : n_notify.h                                                 /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Uses libnotify lib to notify                                     |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: src/n_notify.h
+ * Wed Feb 10 19:21:51 CET 2021
+ * Joe
+ */
 
-#ifndef JO_N_NOTIFY_H
-#define JO_N_NOTIFY_H
+#ifndef __N_NOTIFY_H__
+#define __N_NOTIFY_H__
 
 #include <libnotify/notify.h>
 #include <stddef.h>
@@ -26,4 +59,4 @@ void	n_notify(
 			int32_t
 			);
 
-#endif
+#endif /*__N_NOTIFY_H__ */
diff --git a/src/n_speak.c b/src/n_speak.c
index 53bcdd0..78a1c6a 100644
--- a/src/n_speak.c
+++ b/src/n_speak.c
@@ -1,14 +1,47 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : n_speak.c                                                  /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Uses espeak lib to speak                                         |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: src/n_speak.c
+ * Wed Feb 10 19:22:45 CET 2021
+ * Joe
+ */
 
 #include "n_speak.h"
 
diff --git a/src/n_speak.h b/src/n_speak.h
index 3270292..6545971 100644
--- a/src/n_speak.h
+++ b/src/n_speak.h
@@ -1,17 +1,50 @@
-/****************************************************************************************/
-/*                                                                                      */
-/*  File     : n_speak.h                                                  /_________/   */
-/*  Author   : Joe                                                              |       */
-/*  Date     : 04/2020                                                          |       */
-/*  Info     : Use espeak lib to speak                                          |       */
-/*                                                                      /       |       */
-/*                                                                      \       /       */
-/*                                                                       \_____/        */
-/*                                                                                      */
-/****************************************************************************************/
+/*
+ * ========================
+ * =====    ===============
+ * ======  ================
+ * ======  ================
+ * ======  ====   ====   ==
+ * ======  ===     ==  =  =
+ * ======  ===  =  ==     =
+ * =  ===  ===  =  ==  ====
+ * =  ===  ===  =  ==  =  =
+ * ==     =====   ====   ==
+ * ========================
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2020-2021 Joe
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the organization nor the
+ *    names of its contributors may be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * lowbat: src/n_speak.h
+ * Wed Feb 10 19:23:33 CET 2021
+ * Joe
+ */
 
-#ifndef JO_N_SPEAK_H
-#define JO_N_SPEAK_H
+#ifndef __N_SPEAK_H__
+#define __N_SPEAK_H__
 
 #include <espeak/speak_lib.h>
 #include <string.h>
@@ -31,4 +64,4 @@ enum
 
 void	n_speak(const char *);
 
-#endif
+#endif /* __N_SPEAK_H__ */