diff --git a/str_len b/str_len
new file mode 100755
index 0000000..cbf0897
Binary files /dev/null and b/str_len differ
diff --git a/str_len.c b/str_len.c
new file mode 100644
index 0000000..99ecd37
--- /dev/null
+++ b/str_len.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <string.h>
+int mystrlen(const char *s);
+int main(int argc, char **argv)
+{
+	printf("Print you string\n");
+	char s[100]; scanf("%s", s);
+	printf("You printed:%s\n", s);
+	printf("Your str has:%d chars\n", mystrlen(s));
+	return 0;
+}
+int mystrlen(const char *s)
+{
+		return strlen(s);
+}