ref: 1e1f75a7e9d7df35f4999c0ad3913ed61a92678b
dir: /lib/c/src/strncat.c/
#include <string.h> #undef strncat char * strncat(char * restrict dst, const char * restrict src, size_t n) { char *ret = dst; while (*dst) ++dst; while (n-- > 0 && *src) *dst++ = *src++; *dst = '\0'; return ret; }