Re: ## addition to gcc manual

[John Levon <moz at compsoc dot man dot ac dot uk>]

On Thu, Aug 30, 2001 at 10:54:08AM -0700, Byron Young wrote:

> #define __setup(str, fn) \
> static char __setup_str_##fn[] __initdata = str; \
> static struct kernel_param __setup_##fn __attribute__((unused))
> __initsetup 
> = { __setup_str_##fn, fn }
> 
> from line 19041, pg 206-207
> also, line 65, include/linux/init.h
> 
> The question is what does the ## mean.
> The answer is being discussed on the kernelnewbies mailing list
> (kernelnewbies@nl.linux.org and has been answered rather well.
> 
> The gcc manual on the www.gnu.org website seems to contain no mention of
> this. The index, in the # section, makes no reference to ##.

The gcc manual is a gcc manual, not a C manual. Refer to the huge amount of
available C information.

> Is adding this information to the gcc manual possible?

I highly doubt it

regards
john

-- 
"It's a damn poor mind that can only think of one way to spell a word."
	- Andrew Jackson