ref: 1bfde841484fadb1c41f41a6279e7e070f61a31b
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"); }