orafce - orafce: move all exported prototypes to separate file

Log Message:
-----------
move all exported prototypes to separate file

Modified Files:
--------------
orafce:
alert.c (r1.17 -> r1.18)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/alert.c?r1=1.17&r2=1.18)
assert.c (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/assert.c?r1=1.5&r2=1.6)
convert.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/convert.c?r1=1.6&r2=1.7)
datefce.c (r1.16 -> r1.17)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/datefce.c?r1=1.16&r2=1.17)
file.c (r1.19 -> r1.20)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/file.c?r1=1.19&r2=1.20)
others.c (r1.20 -> r1.21)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/others.c?r1=1.20&r2=1.21)
pipe.c (r1.25 -> r1.26)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/pipe.c?r1=1.25&r2=1.26)
plunit.c (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plunit.c?r1=1.8&r2=1.9)
plvlex.c (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvlex.c?r1=1.9&r2=1.10)
plvstr.c (r1.20 -> r1.21)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvstr.c?r1=1.20&r2=1.21)
plvsubst.c (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvsubst.c?r1=1.10&r2=1.11)
putline.c (r1.15 -> r1.16)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/putline.c?r1=1.15&r2=1.16)
random.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/random.c?r1=1.3&r2=1.4)
utility.c (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/utility.c?r1=1.9&r2=1.10)

Added Files:
-----------
orafce:
builtins.h (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/builtins.h?rev=1.1&content-type=text/x-cvsweb-markup)

Removed Files:
-------------
orafce:
plvstr.h
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvstr.h)