ref: d25abeac602ebf2c2cb4101b6d51a704d15b6809 dir: /sys/src/ape/lib/9/rerrstr.c/
#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); }