<html lang="en"> <head> <title>Functions - GNU Compiler Collection (GCC) Internals</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="GNU Compiler Collection (GCC) Internals"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="GENERIC.html#GENERIC" title="GENERIC"> <link rel="prev" href="Statements.html#Statements" title="Statements"> <link rel="next" href="Language_002ddependent-trees.html#Language_002ddependent-trees" title="Language-dependent trees"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- Copyright (C) 1988-2015 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with the Invariant Sections being ``Funding Free Software'', the Front-Cover Texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the section entitled ``GNU Free Documentation License''. (a) The FSF's Front-Cover Text is: A GNU Manual (b) The FSF's Back-Cover Text is: 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 } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="Functions"></a> <p> Next: <a rel="next" accesskey="n" href="Language_002ddependent-trees.html#Language_002ddependent-trees">Language-dependent trees</a>, Previous: <a rel="previous" accesskey="p" href="Statements.html#Statements">Statements</a>, Up: <a rel="up" accesskey="u" href="GENERIC.html#GENERIC">GENERIC</a> <hr> </div> <h3 class="section">10.8 Functions</h3> <p><a name="index-function-1965"></a><a name="index-FUNCTION_005fDECL-1966"></a> A function is represented by a <code>FUNCTION_DECL</code> node. It stores the basic pieces of the function such as body, parameters, and return type as well as information on the surrounding context, visibility, and linkage. <ul class="menu"> <li><a accesskey="1" href="Function-Basics.html#Function-Basics">Function Basics</a>: Function names, body, and parameters. <li><a accesskey="2" href="Function-Properties.html#Function-Properties">Function Properties</a>: Context, linkage, etc. </ul> <!-- --> <!-- Function Basics --> <!-- --> </body></html>