__ is important to hide compilerisms (like __builtin_vararg etc). If your
compiler only knows inline the #define __inline__ for it.
> When programs fail to compile with gcc -ansi, it means that the
> header file did not use #ifdef to remove inline functions and
> substitute library functions. It also means that to programmer
> is using something they should not: see the gcc man page.
> It tells you that -ansi does not check for ANSI compliance!
> Enable all the warnings instead, and maybe buy a proper tool.
Unless I am mistaken __* symbols are undefined and may be used by
compilers for funnies in ANSI code. gcc -ansi shouldnt go to library
functions .. thats foul.
Alan