ref: 6543fb3561a32f20651e98a10e460b9066d1ccda 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); }