ref: e2bc82d84b9e30a1fe8bf4320e27c2cccf47c0dc
dir: /lib/c/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; }