ref: 9c0d74e03620811e9a5c0a697a849f9c3551e9bf
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); }