Add build system scaffolding and libc headers

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/libc/string/strncpy.c b/lib/libc/string/strncpy.c
new file mode 100644
index 00000000..c43b88c8
--- /dev/null
+++ b/lib/libc/string/strncpy.c
@@ -0,0 +1,16 @@
+#include <stddef.h>
+
+char *strncpy(char *restrict s1, const char *restrict s2, size_t n)
+{
+	char *result = s1;
+
+	while (n > 0 && *s2 != '\0') {
+		*s1++ = *s2++;
+		n--;
+	}
+
+	if (n > 0)
+		*s1 = '\0';
+
+	return result;
+}