ref: 82eb1ebc8c335785da14e6e59e7c109256b5ed3c
dir: /lib/c/strncpy.c/
#include <string.h>
#undef strncpy
char *
strncpy(char * restrict dst, const char * restrict src, size_t n)
{
char *ret = dst;
for (; n > 0 && *src; --n)
*dst++ = *src++;
while (n-- > 0)
*dst++ = '\0';
return ret;
}