5 The @code{func} module makes sure that you can use the predefined
6 identifier @code{__func__} as defined by C99 in your code.
12 #include <stdio.h> /* for printf */
16 printf ("%s: hello world\n", __func__);
20 Note that @code{sizeof} cannot be applied to @code{__func__}: On SunPRO C
21 compiler, @code{sizeof __func__} evaluates to 0.