c - What is DEFAULT_CC in function declaration? -

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I'm relatively new to C , and I'm curious that this syntax is in the declaration What does it mean: 

  int DEFAULT_CC foo (zero)

Where DEFAULT_CC is probably defined elsewhere: 

  #define DEFAULT_CC "Something"

(I realized that I had to do the previous example completely irrelevant).

More likely calling conference A calling conference determines how values ​​from a function are exceeded And come back. Specific values ​​can be cdecl or stdcall . For a comprehensive explanation of the X86 Convention, see. 

  int "cc" foo (zero)

will not be compiled.


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