1 files changed, 29 insertions, 0 deletions
diff --git a/src/string/strcmp.c b/src/string/strcmp.c
new file mode 100644
index 00000000..ed089c77
--- /dev/null
+++ b/src/string/strcmp.c
@@ -0,0 +1,29 @@
+#include <string.h>
+#include "nonstd/assert.h"
+
+/** compare strings **/
+int strcmp(const char *s1, const char *s2)
+{
+	size_t n1 = 0;
+	size_t n2 = 0;
+
+	ASSERT_NONNULL(s1);
+	ASSERT_NONNULL(s2);
+
+	n1 = strlen(s1);
+	n2 = strlen(s2);
+
+	/*
+	RETURN(NEGATIVE, ARGUMENT(s1) is less than ARGUMENT(s2));
+	RETURN(ZERO, ARGUMENT(s1) is equal to ARGUMENT(s2));
+	RETURN(POSITIVE, ARGUMENT(s1) is greater than ARGUMENT(s2));
+	*/
+	return strncmp(s1, s2, n1 < n2 ? n1 : n2);
+}
+
+/***
+compares the strings at ARGUMENT(s1) and ARGUMENT(s2).
+***/
+/*
+STDC(1)
+*/