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view doc/func.texi @ 40245:eeb8fe2e91ad
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author | Paul Eggert <eggert@cs.ucla.edu> |
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date | Sun, 17 Mar 2019 16:29:28 -0700 |
parents | 6b25bda86ddb |
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@node func @section func The @code{func} module makes sure that you can use the predefined identifier @code{__func__} as defined by C99 in your code. A small example is: @smallexample #include <config.h> #include <stdio.h> /* for printf */ int main (void) @{ printf ("%s: hello world\n", __func__); @} @end smallexample Note that @code{sizeof} cannot be applied to @code{__func__}: On SunPRO C compiler, @code{sizeof __func__} evaluates to 0.