diff --git a/lib/libft/libft.h b/lib/libft/libft.h
index 56a9638..4639da7 100644
--- a/lib/libft/libft.h
+++ b/lib/libft/libft.h
@@ -35,6 +35,7 @@ size_t	ft_strlcat(char *dst, const char *src, size_t dstsize);
 char	*ft_strchr(const char *s, int c);
 char	*ft_strrchr(const char *s, int c);
 int		ft_strncmp(const char *s1, const char *s2, size_t n);
+int		ft_strcmp(const char *s1, const char *s2);
 char	*ft_strnstr(const char *haystack, const char *needle, size_t len);
 char	*ft_substr(const char *s, unsigned int start, size_t len);
 char	*ft_strdup(const char *s1);
diff --git a/lib/libft/srcs/str/ft_strcmp.c b/lib/libft/srcs/str/ft_strcmp.c
new file mode 100644
index 0000000..3a69ecf
--- /dev/null
+++ b/lib/libft/srcs/str/ft_strcmp.c
@@ -0,0 +1,11 @@
+#include "../../libft.h"
+
+int	ft_strcmp(const char *s1, const char *s2)
+{
+	while (*s1 && *s2 && (*s1 == *s2))
+	{
+		s1++;
+		s2++;
+	}
+	return ((unsigned char) *s1 - (unsigned char) *s2);
+}