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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
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+.\" Id: pswrap.man,v 6.1 1994/05/18 23:21:11 asente Exp $
+.na
+.nh
+.TH PSWRAP 1 "4 Apr 1994" "Adobe Systems"
+.SH NAME
+pswrap \- creates C procedures from segments of PostScript language code
+
+.SH SYNOPSIS
+.B pswrap
+[
+.B \-apr
+] [
+.B \-o
+.I outputCfile
+] [
+.B \-h
+.I outputHfile
+] [
+.B \-s
+.I maxstring
+]
+.I inputfile
+
+.SH DESCRIPTION
+.LP
+.B pswrap
+reads input from
+.I inputfile
+and creates C-callable procedures, known as wraps, that send PostScript
+language code to the PostScript interpreter.
+.I inputfile
+contains segments of PostScript language code wrapped with a C-like
+procedure syntax.
+.LP
+Wraps are the most efficient way for an application to communicate with the
+PostScript interpreter. For complete documentation of
+.B pswrap
+and the language it accepts, see "pswrap Reference Manual"
+in \fIProgramming the Display PostScript System with X.\fR
+.LP
+
+.SH OPTIONS
+.LP
+.TP
+.I inputfile
+A file that contains one or more wrap definitions.
+.B pswrap
+transforms the definitions in
+.I inputfile
+into C procedures. If no input file is specified, the standard
+input (which can be redirected from a file or pipe) is used. The input file
+can include text other than wrap definitions.
+.B pswrap
+converts wrap definitions to C procedures and passes the other text
+through unchanged. Therefore, it is possible to intersperse C-language
+source code with wrap definitions in the input file.
+.RS
+.LP
+.I Note:
+Although C code is allowed in a pswrap input file, it is not allowed
+within a wrap body. In particular, no CPP macros (for example, #define) are
+allowed inside a wrap.
+.RE
+.TP
+.B \-a
+Generates ANSI C procedure prototypes for procedure definitions in
+.I outputCfile
+and, optionally,
+.I outputHfile.
+The
+.B \-a
+option allows compilers that recognize the
+ANSI C standard to do more complete type checking of parameters. The
+.B \-a
+option also causes
+.B pswrap
+to generate const declarations.
+.RS
+.LP
+.I Note:
+ANSI C procedure prototype syntax is not recognized by most non-ANSI C
+compilers, including many compilers based on the Portable C Compiler. Use the
+.B \-a
+option only in conjunction with a compiler that conforms to the ANSI C Standard.
+.RE
+.TP
+.BI \-h " outputHFile"
+Generates a header file that contains extern declarations for non-static
+wraps. This file can be used in #include statements in modules that use
+wraps. If the
+.B \-a
+option is specified, the declarations in the header file
+are ANSI C procedure prototypes. If the
+.B \-h
+option is omitted, a header file is not produced.
+.TP
+.BI \-o " outputCFile"
+Specifies the file to which the generated wraps and passed-through text are
+written. If omitted, the standard output is used. If the
+.B \-a
+option is also specified, the procedure definitions generated by
+.B pswrap
+are in ANSI C procedure prototype syntax.
+.TP
+.B \-p
+Specifies that strings passed by wraps are padded so that each data object
+begins on a long-word (4-byte) boundary. This option allows wraps to run on
+architectures that restrict data alignment to 4-byte boundaries and
+improves performance on some other architectures.
+.TP
+.B \-r
+Generates reentrant code for wraps shared by more than one process (as in
+shared libraries). Reentrant code can be called recursively or by more than
+one thread. The
+.B \-r
+option causes
+.B pswrap
+to generate extra code, so use it only when necessary.
+.TP
+.BI \-s " maxstring"
+Sets the maximum allowable length of a PostScript string object or
+hexadecimal string object in the wrap body input. A syntax error is reported if a
+string is not terminated with ) or > within
+.I maxstring
+characters.
+.I maxstring
+cannot be set lower than 80; the default is 200.
+
+.SH SEE ALSO
+\fIProgramming the Display PostScript System with X\fR
+(Addison-Wesley Publishing Company, Inc., 1993).
+
+.SH AUTHOR
+Adobe Systems Incorporated
+
+.SH NOTES
+PostScript and Display PostScript are trademarks
+of Adobe Systems Incorporated which may be registered
+in certain jurisdictions.
+.PP
+Copyright (c) 1988-1994 Adobe Systems Incorporated. All rights reserved.