orafce - orafce: very young dbms_pipe implemention

Log Message:
-----------
very young dbms_pipe implemention

Modified Files:
--------------
orafce:
pipe.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/pipe.c.diff?r1=1.3&r2=1.4)
shmmc.c (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/shmmc.c.diff?r1=1.1&r2=1.2)
shmmc.h (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/shmmc.h.diff?r1=1.1&r2=1.2)