ref: 8c9e4efa17455ba801442a78ff4a4f5711727e83
dir: /sys/src/libregexp/regerror.c/
#include <u.h> #include <libc.h> #include "regexp.h" void regerror(char *s) { char buf[132]; strcpy(buf, "regerror: "); strcat(buf, s); strcat(buf, "\n"); write(2, buf, strlen(buf)); exits("regerr"); }