fstatvfs
__warn_references(fstatvfs,
__strong_alias(fstatvfs, __compat_fstatvfs)
if (fstatvfs(fso, &sfs) == -1) {
if (fstatvfs(fso, &sfs) == -1) {
if (fstatvfs(fd, &statvfsbuf) != 0)
int fstatvfs(int, struct statvfs *)
fstatvfs(dfd, &vst);
if (fstatvfs(fsopts->fd, &sfs) == -1) {