What is the point of defining a calling convention?

Question

For example:

int WINAPI WinMain ( HINSTANCE instance, HINSTANCE prev_instance, PSTR cmd_line, int cmd_show )

WINAPI is a a define that looks li

Answer 1

You can just write __stdcall in its place, but don't. They've seen fit to #define WINAPI to __stdcall to make that opaque, which is just good programming practice.