ref: 36b668246b2bc393d589b63b7c4f84cbe1185d45
dir: /sys/src/libc/9sys/rerrstr.c/
#include <u.h> #include <libc.h> void rerrstr(char *buf, uint nbuf) { char tmp[ERRMAX]; tmp[0] = 0; errstr(tmp, sizeof tmp); utfecpy(buf, buf+nbuf, tmp); errstr(tmp, sizeof tmp); }