ref: 1e3dd27b9b1dcd2c8f16a0f51effaade0e12c227
dir: /lib/c/src/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; }