diff --git a/hdrs/libft.h b/hdrs/libft.h
index 79effd4..8b65d36 100644
--- a/hdrs/libft.h
+++ b/hdrs/libft.h
@@ -3,6 +3,7 @@
 
 # include <stdlib.h>
 
+int     ft_strcmp(const char *s1, const char *s2);
 int     ft_islower(int c);
 int     ft_isupper(int c);
 int     ft_tolower(int c);
diff --git a/srcs/ft_strcmp.c b/srcs/ft_strcmp.c
new file mode 100644
index 0000000..333207b
--- /dev/null
+++ b/srcs/ft_strcmp.c
@@ -0,0 +1,12 @@
+#include <stddef.h>
+
+int ft_strcmp(const char *s1, const char *s2)
+{
+    while (*s1 && (*s1 == *s2)) // Continue while both are equal and non-null
+    {
+        s1++;
+        s2++;
+    }
+    
+    return (unsigned char)(*s1) - (unsigned char)(*s2); // Return the difference of the first non-matching characters
+}
\ No newline at end of file