From: Brian Candler <b.candler@...>
Date: 2009-08-27T04:10:36+09:00
Subject: Re: Help with C embedding

Khat Harr wrote:
> I'm using gcc to compile and it doesn't have a problem with the variadic 
> cast

Probably best just to copy what Ruby does.

[defines.h]
#ifdef __cplusplus
#define ANYARGS ...
#else
#define ANYARGS
#endif

[ruby.h]
void rb_define_module_function _((VALUE,const 
char*,VALUE(*)(ANYARGS),int));

[class.c uses K&R prototypes :-(]
void
rb_define_module_function(module, name, func, argc)
    VALUE module;
    const char *name;
    VALUE (*func)();
    int argc;
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