Have a include file defines a macro:
# define XMLCALL
Then another file has the following function Pointers:
Typedef void (FreeFunc XMLCALL *) (void * mem)
Excuse me: what does this function pointer XMLCALL inside, can't delete,,,

CodePudding user response:

This is a kind of mark, enhance readability, can be removed

CodePudding user response:

This macro, but from the macro definition, there is no alternative, what can remove ~

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html