Level 79
Level 81
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(\)
the Macro Continuation Operator
the Macro Continuation Operator
#define message_for(a, b) \ printf(#a " and " #b ": We love you!\n")
(#)
the Stringize Operator
the Stringize Operator
#include <stdio.h> #define message_for(a, b) \ printf(#a " and " #b ": We love you!\n") int main(void) { message_for(Carole, Debra); return 0; }
(##)
the Token Pasting Operator
the Defined() Operator
used in constant expressions to determine if an identifier is defined using #define.
