ref: f596580cba7c5b7bae84ee7cd83d2b2a438a1e9b
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;
}