1 files changed, 14 insertions, 0 deletions
diff --git a/memstarts.c b/memstarts.c
new file mode 100644
index 0000000..1dd1e6a
--- /dev/null
+++ b/memstarts.c
@@ -0,0 +1,14 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+
+
+int
+libsimple_memstarts(const void *s_, size_t n, const void *t_, size_t m)
+{
+	const char *s = s_, *t = t_;
+	size_t i = 0;
+	if (n < m)
+		return 0;
+	while (i < m && s[i] == t[i]) i++;
+	return i == m;
+}