ref: e81e1a4aeddad2bc612c9c5243573250b6ff33a4
dir: /sys/src/ape/lib/regexp/regerror.c/
#include <stdlib.h> #include <stdio.h> #include <string.h> #include "regexp.h" void regerror(char *s) { char buf[132]; strcpy(buf, "regerror: "); strcat(buf, s); strcat(buf, "\n"); fwrite(buf, 1, strlen(buf), stderr); exit(1); }