Maybe it could be done with a specific define for constness:
Code:
// acknex.h
#define ENGINE_CONST

Code:
// adll.h
#define ENGINE_CONST const

Code:
// afuncs.h
EXT BMAP* F(bmap_create)(ENGINE_CONST char* filename);


I adjusted the prototypes in my current afuncs.h but i'm don't think this should be done by any user...

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