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/* Copyright (C) 1995, 1996, 1999 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: opextern.h,v 1.6 2002/06/16 04:47:10 lpd Exp $ */
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/* Externally accessible operator declarations */
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#ifndef opextern_INCLUDED
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# define opextern_INCLUDED
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/*
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* Normally, the procedures that implement PostScript operators (named zX
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* where X is the name of the operator, e.g., zadd) are private to the
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* file in which they are defined. There are, however, a surprising
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* number of these procedures that are used from other files.
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* This file, opextern.h, declares all z* procedures that are
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* - referenced from outside their defining file, and
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* - present in *all* configurations of the interpreter.
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* For z* procedures referenced from outside their file but not present
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* in all configurations (e.g., Level 2 operators), the file making the
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* reference must include a local extern. Not pretty, but c'est la vie.
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*/
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/* Operators exported for the special operator encoding in interp.c. */
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int zadd(i_ctx_t *);
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int zdef(i_ctx_t *);
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int zdup(i_ctx_t *);
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int zexch(i_ctx_t *);
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int zif(i_ctx_t *);
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int zifelse(i_ctx_t *);
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int zindex(i_ctx_t *);
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int zpop(i_ctx_t *);
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int zroll(i_ctx_t *);
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int zsub(i_ctx_t *);
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/* Internal entry points for the interpreter. */
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int zop_add(ref *);
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int zop_def(i_ctx_t *);
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int zop_sub(ref *);
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/* Operators exported for server loop implementations. */
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int zflush(i_ctx_t *);
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int zflushpage(i_ctx_t *);
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int zsave(i_ctx_t *);
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int zrestore(i_ctx_t *);
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/* Operators exported for save/restore. */
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int zgsave(i_ctx_t *);
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int zgrestore(i_ctx_t *);
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/* Operators exported for Level 2 pagedevice facilities. */
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int zcopy_gstate(i_ctx_t *);
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int zcurrentgstate(i_ctx_t *);
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int zgrestoreall(i_ctx_t *);
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int zgstate(i_ctx_t *);
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int zreadonly(i_ctx_t *);
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int zsetdevice(i_ctx_t *);
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int zsetgstate(i_ctx_t *);
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/* Operators exported for Level 2 "wrappers". */
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int zcopy(i_ctx_t *);
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int zimage(i_ctx_t *);
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int zimagemask(i_ctx_t *);
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int zwhere(i_ctx_t *);
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/* Operators exported for specific-VM operators. */
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int zarray(i_ctx_t *);
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int zdict(i_ctx_t *);
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int zpackedarray(i_ctx_t *);
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int zstring(i_ctx_t *);
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/* Operators exported for user path decoding. */
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/* Note that only operators defined in all configurations are declared here. */
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int zclosepath(i_ctx_t *);
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int zcurveto(i_ctx_t *);
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int zlineto(i_ctx_t *);
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int zmoveto(i_ctx_t *);
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int zrcurveto(i_ctx_t *);
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int zrlineto(i_ctx_t *);
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int zrmoveto(i_ctx_t *);
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/* Operators exported for the FunctionType 4 interpreter. */
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/* zarith.c: */
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int zabs(i_ctx_t *);
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int zceiling(i_ctx_t *);
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int zdiv(i_ctx_t *);
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int zfloor(i_ctx_t *);
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int zidiv(i_ctx_t *);
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int zmod(i_ctx_t *);
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int zmul(i_ctx_t *);
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int zneg(i_ctx_t *);
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int zround(i_ctx_t *);
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int ztruncate(i_ctx_t *);
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/* zmath.c: */
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int zatan(i_ctx_t *);
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int zcos(i_ctx_t *);
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int zexp(i_ctx_t *);
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int zln(i_ctx_t *);
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int zlog(i_ctx_t *);
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int zsin(i_ctx_t *);
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int zsqrt(i_ctx_t *);
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/* zrelbit.c: */
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int zand(i_ctx_t *);
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int zbitshift(i_ctx_t *);
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int zeq(i_ctx_t *);
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int zge(i_ctx_t *);
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int zgt(i_ctx_t *);
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int zle(i_ctx_t *);
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int zlt(i_ctx_t *);
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int zne(i_ctx_t *);
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int znot(i_ctx_t *);
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int zor(i_ctx_t *);
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int zxor(i_ctx_t *);
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/* ztype.c: */
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int zcvi(i_ctx_t *);
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int zcvr(i_ctx_t *);
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/* Operators exported for CIE cache loading. */
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int zcvx(i_ctx_t *);
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int zexec(i_ctx_t *); /* also for .runexec */
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int zfor(i_ctx_t *);
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/* Odds and ends */
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int zbegin(i_ctx_t *);
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int zcleartomark(i_ctx_t *);
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int zclosefile(i_ctx_t *); /* for runexec_cleanup */
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int zcopy_dict(i_ctx_t *); /* for zcopy */
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int zend(i_ctx_t *);
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int zfor_samples(i_ctx_t *); /* for function sampling */
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int zsetfont(i_ctx_t *); /* for cshow_continue */
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/* Operators exported for special customer needs. */
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int zcurrentdevice(i_ctx_t *);
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int ztoken(i_ctx_t *);
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int ztokenexec(i_ctx_t *);
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int zwrite(i_ctx_t *);
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#endif /* opextern_INCLUDED */
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