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<title>skalibs: the gccattributes header</title>
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<h1> The <tt>skalibs/gccattributes.h</tt> header </h1>
<p>
<tt>skalibs/gccattributes.h</tt> is a set of wrappers around
<a href="http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html">gcc
attributes</a> (duh). It defines macros that are always valid, and
that have no effect if the compiler is not gcc or the used version
of gcc does not support the wanted attribute.
</p>
<p>
For instance:
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<pre>
extern unsigned int str_len (char const *) gccattr_pure ;
</pre>
<p>
defines the <tt>str_len</tt> function as <em>pure</em> if it is
supported.
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The source code is self-explanatory.
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