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#include <stdio.h> #define P(A,B) A ## B ; bob #define Q(A,B) A ## B+ int main(void) { int bob, jim = 21; bob = P(jim,) *= 2; printf("jim: %d, bob: %d\n", jim, bob); jim = 60 Q(+,)3; printf("jim: %d\n", jim); return 0; }