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<html lang="en"><head><title>Using the GNU Compiler Collection (GCC)</title><meta http-equiv="Content-Type" content="text/html"><meta name="description" content="Using the GNU Compiler Collection (GCC)"><meta name="generator" content="makeinfo 4.6"><!--Copyright © 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. <p>Permission is granted to copy, distribute and/or modify this documentunder the terms of the GNU Free Documentation License, Version 1.2 orany later version published by the Free Software Foundation; with theInvariant Sections being "GNU General Public License" and "FundingFree Software", the Front-Cover texts being (a) (see below), and withthe Back-Cover Texts being (b) (see below). A copy of the license isincluded in the section entitled "GNU Free Documentation License". <p>(a) The FSF's Front-Cover Text is: <p>A GNU Manual <p>(b) The FSF's Back-Cover Text is: <p>You have freedom to copy and modify this GNU Manual, like GNU software. Copies published by the Free Software Foundation raise funds for GNU development.--><meta http-equiv="Content-Style-Type" content="text/css"><style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller }--></style></head><body><div class="node"><p>Node: <a name="Tru64%20Pragmas">Tru64 Pragmas</a>,Previous: <a rel="previous" accesskey="p" href="Solaris-Pragmas.html#Solaris%20Pragmas">Solaris Pragmas</a>,Up: <a rel="up" accesskey="u" href="Pragmas.html#Pragmas">Pragmas</a><hr><br></div><h3 class="subsection">Tru64 Pragmas</h4><p>For compatibility with the Compaq C compiler, the following pragmais supported. <dl><dt><code>extern_prefix </code><var>string</var><code></code> <dd> <p>This pragma renames all subsequent function and variable declarationssuch that <var>string</var> is prepended to the name. This effect may beterminated by using another <code>extern_prefix</code> pragma with theempty string. <p>This pragma is similar in intent to to the asm labels extension(see <a href="Asm-Labels.html#Asm%20Labels">Asm Labels</a>) in that the system programmer wants to changethe assembly-level ABI without changing the source-level API. Thepreprocessor defines <code>__PRAGMA_EXTERN_PREFIX</code> if the pragma isavailable. </dl> </body></html>⌨️ 快捷键说明
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