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-rw-r--r--libft/ft_isalpha.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/libft/ft_isalpha.c b/libft/ft_isalpha.c
new file mode 100644
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--- /dev/null
+++ b/libft/ft_isalpha.c
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/* LE - / */
+/* / */
+/* ft_isalpha.c .:: .:/ . .:: */
+/* +:+:+ +: +: +:+:+ */
+/* By: rbousset <marvin@le-101.fr> +:+ +: +: +:+ */
+/* #+# #+ #+ #+# */
+/* Created: 2019/10/07 16:45:42 by rbousset #+# ## ## #+# */
+/* Updated: 2019/10/13 08:42:03 by rbousset ### #+. /#+ ###.fr */
+/* / */
+/* / */
+/* ************************************************************************** */
+
+static int
+ ft_isupper(int c)
+{
+ if (c >= 65 && c <= 90)
+ return (1);
+ return (0);
+}
+
+static int
+ ft_islower(int c)
+{
+ if (c >= 97 && c <= 122)
+ return (1);
+ return (0);
+}
+
+int
+ ft_isalpha(int c)
+{
+ if (ft_isupper(c) || ft_islower(c))
+ return (1);
+ return (0);
+}