FD_CLR            320 srclib/apr/poll/unix/select.c             FD_CLR(fd, &(pollset->readset));
FD_CLR            321 srclib/apr/poll/unix/select.c             FD_CLR(fd, &(pollset->writeset));
FD_CLR            322 srclib/apr/poll/unix/select.c             FD_CLR(fd, &(pollset->exceptset));
FD_CLR            155 test/zb.c        FD_CLR(c->fd, &writebits);
FD_CLR            311 test/zb.c        FD_CLR(c->fd, &readbits);
FD_CLR            312 test/zb.c        FD_CLR(c->fd, &writebits);
FD_CLR            363 test/zb.c              FD_CLR(c->fd, &writebits);