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Re: Where is `_' defined?

On Fri, 2019-10-11 at 13:15 +0200, Sebastian Gniazdowski wrote:
> Hello,
> I'm trying to compile a part of Zsh. I'm getting the following error:
> 
> zsh.h:631:33: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘_’
>  typedef void (*voidvoidfnptr_t) _((void));
> 
> Trying to find where the underscore is defined is boundary to a
> miracle. Could anyone help?

That's part of the system that fixes up prototypes for K&R C,
which I think is actually redundant by some number of decades.
See zsh_system.h.


#ifdef PROTOTYPES
# define _(Args) Args
#else
# define _(Args) ()
#endif


pws
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