ref: 73e115aab038880a68c9f73b5c49d8fa12d0e5e2
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);
}