1 files changed, 29 insertions, 0 deletions
diff --git a/src/string/strcpy.c b/src/string/strcpy.c
new file mode 100644
index 00000000..cf4eeb21
--- /dev/null
+++ b/src/string/strcpy.c
@@ -0,0 +1,29 @@
+#include <string.h>
+#include "nonstd/assert.h"
+
+/** copy string **/
+char * strcpy(char * restrict s1, const char * restrict s2)
+{
+	char *p = s1;
+
+	ASSERT_NONNULL(s1);
+	ASSERT_NONNULL(s2);
+	ASSERT_NOOVERLAP(s1, s2, strlen(s2));
+
+	while ((*s1++ = *s2++) != '\0') {
+		continue;
+	}
+
+	/*
+	RETURN_ALWAYS(ARGUMENT(s1));
+	*/
+	return p;
+}
+
+/***
+copies the string at ARGUMENT(s2) to ARGUMENT(s1), up to and
+including the terminating CHAR(\0).
+***/
+/*
+STDC(1)
+*/