kern_posix_fallocate
error = kern_posix_fallocate(td, uap->fd,
return (kern_posix_fallocate(td, args->fd, offset, len));
error = kern_posix_fallocate(td, uap->fd, uap->offset, uap->len);
int kern_posix_fallocate(struct thread *td, int fd, off_t offset,