c define multiline macro?

Question

#define DEBUG_BREAK(a)\\
    if ((a)) \\
{\\
    __asm int 3;\\
}

I have defined a macro as above, and try to use it

#include \"test_d         


        

Answer 1

#define DEBUG_BREAK(a)\
if ((a)) \
{\
    __asm \
    { \
        int 3;\
    } \
}

Or.... (since you are on Windows, just use the DebugBreak function...)

#define DEBUG_BREAK(a) {if ((a)) DebugBreak();}