diff --git a/src/atrb.h b/src/atrb.h
new file mode 100644
index 0000000..5b77513
--- /dev/null
+++ b/src/atrb.h
@@ -0,0 +1,4 @@
+#pragma once
+#if defined(__cplusplus)
+#define restrict __restrict__
+#endif
diff --git a/src/string.c b/src/string.c
new file mode 100644
index 0000000..bbbd6b0
--- /dev/null
+++ b/src/string.c
@@ -0,0 +1,10 @@
+#include "string.h"
+
+int   memcmp(const void *s1, const void *s2, usize n) {
+}
+
+void *memset(void *s, int c, usize n) { }
+
+void *memcpy(void *restrict dst, const void *restrict src, usize n) { }
+
+void *memmove(void *dst, const void *src, usize n) { }
diff --git a/src/string.h b/src/string.h
new file mode 100644
index 0000000..43695a9
--- /dev/null
+++ b/src/string.h
@@ -0,0 +1,8 @@
+#pragma once
+#include "types.h"
+#include "atrb.h"
+
+int   memcmp(const void *s1, const void *s2, usize n);
+void *memset(void *s, int c, usize n);
+void *memcpy(void *restrict dst, const void *restrict src, usize n);
+void *memmove(void *dst, const void *src, usize n);