Stringify the the value of a macro and turn that into an NSString constant

gistfile1.m

#define DERP 1234

#define MACRO_NAME(str) @ #str
#define STRINGIFY(str)  MACRO_NAME(str)


    NSLog(@"%@",MACRO_NAME(DERP));
    NSLog(@"%@",STRINGIFY(DERP));

// Output:
// DERP
// 1234      // This is the result we want



// ref: http://gcc.gnu.org/onlinedocs/cpp/Stringification.html