freediskspace
avail = freediskspace(qid_printqueue(e->e_qgrp, e->e_qdir),
free = freediskspace(Queue[qgrp]->qg_qdir, &bsize);
fsavail = freediskspace(FILE_SYS_NAME(qp->qp_fsysidx),
avail = freediskspace(FILE_SYS_NAME(i), &blksize);
avail = freediskspace(FILE_SYS_NAME(i), &blksize);
extern long freediskspace __P((const char *, long *));