ref: a580fff1d14d1dc9e6ca8dccf564fd9ae90cde08
dir: /sys/src/libc/9sys/dirwstat.c/
#include <u.h>
#include <libc.h>
#include <fcall.h>
int
dirwstat(char *name, Dir *d)
{
uchar *buf;
int r;
r = sizeD2M(d);
buf = malloc(r);
if(buf == nil)
return -1;
convD2M(d, buf, r);
r = wstat(name, buf, r);
free(buf);
return r;
}