From bbd0e4a3a1640072f19cfc7e8d01ced3a855870c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20GUEZO?= <loicguezo@gmail.com>
Date: Sun, 28 Sep 2025 21:39:29 +0200
Subject: [PATCH] feat: add ft_isdigit function and header

---
 ft_isdigit.c | 8 ++++++++
 libft.h      | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 ft_isdigit.c

diff --git a/ft_isdigit.c b/ft_isdigit.c
new file mode 100644
index 0000000..e74b707
--- /dev/null
+++ b/ft_isdigit.c
@@ -0,0 +1,8 @@
+#include "libft.h"
+
+int	ft_isdigit(int c)
+{
+	if ((c >= '0' && c <= '9'))
+		return (1);
+	return (0);
+}
diff --git a/libft.h b/libft.h
index 697b3f3..16f43aa 100644
--- a/libft.h
+++ b/libft.h
@@ -1 +1,2 @@
-int ft_isalpha(const char c);
+int	ft_isalpha(const char c);
+int	ft_isdigit(int c);