BLK_OFF            69 srclib/apr/file_io/netware/pipe.c     thepipe->blocking = BLK_OFF;
BLK_OFF            78 srclib/apr/file_io/netware/pipe.c             if (thepipe->blocking != BLK_OFF) { /* blocking or unknown state */
BLK_OFF           150 srclib/apr/file_io/os2/pipe.c             if (thepipe->blocking != BLK_OFF) {
BLK_OFF           151 srclib/apr/file_io/os2/pipe.c                 thepipe->blocking = BLK_OFF;
BLK_OFF           104 srclib/apr/file_io/unix/pipe.c     thepipe->blocking = BLK_OFF;
BLK_OFF           113 srclib/apr/file_io/unix/pipe.c             if (thepipe->blocking != BLK_OFF) { /* blocking or unknown state */