On Sun, Mar 16, 2003 at 10:06:01PM +0000, Colin Watson wrote:
> I stand corrected, then. Although 'info libc' does say that (void) is OK
> for main() in ISO C.
Correct. Two ISO C forms of main are:
int main (void) { ... }
/* identical to: int main () { ... } */
or
int main (int argc, char *argv[]) { ... }
/* identical to: int main (int argc, char **argv) { ... } */
However:
int main ();
and
int main (void);
are not identical *declarations*. But only crazy people who like to
call "main" recursively ever write declarations for it...
In non-conforming mode (the default), gcc will also accept "void main(...)"
and the three argument form that adds "char **envp"...
And then, there is the K&R form with implicit int return:
main (argc, argv)
int argc;
char *argv[];
{...}
K&R is accepted but deprecated in all versions of ISO/ANSI C except the
implicit int return type is an error in C99.
(Now, back to your regularly scheduled program ...)
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