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there is a continuous calling in vlc:
module_Init->module_InitStatic(vlc_entry__main)->vlc_plugin_describe (vlc_plugin_cb entry)->entry (vlc_plugin_setter, &module)

vlc_entry__main is of the most importance. so far as i know,the variable vlc_entry__main is a function defined in the header file modules.h.
but i dont find where is it initialized. if not initialized, the calling entry (vlc_plugin_setter, &module),which in fact is vlc_entry__main (vlc_plugin_setter, &module) is obviously wrong.
can anybody tell me how or where is it initialized?i will be thankful.

vlc_entry__main() is defined in src/libvlc-module.c, but it's all macros.

vlc_entry__main() is defined in src/libvlc-module.c, but it's all macros.

hi Rémi Denis-Courmont,thank u very much for your reply.
now i know that file libvlc-module.c uses macro vlc_module_begin which is defined in file vlc_plugin.h,by expanding vlc_module_begin,we can see the definition of function vlc_entry_main.
the function's prefixes EXTERN_SYMBOL and CDECL_SYMBOL are both empty, that is to say, libvlc-module.c just defines vlc_entry_main.
in the file src/modules/modules.h, vlc_enrty_main is declared like this: int vlc_entry__main (int (*)(void *, void *, int, ...), void *);
my question is that is the function vlc_entry__main in libvlc-module.c equals to the one in modules.h? if so, how to explain the permission?

I don't understand the question.

I don't understand the question.

sry for my unclear expression.
i mean vlc _entry_main is defined in src/libvlc-module.c, declared in src/modules/modules.h.
then how does the declaration know the function is defined in src/libvlc-module.c, as the declaration appears without prefix extern indicating the function is defined in other files.

Your question makes no sense at all.

Your question makes no sense at all.

i dont see so,if u think it makes no sense, why cannot u explain it cleanly to me

Seriously, it's very hard to understand your question.