1 2 #include "plist-macros-ctu.h" 3 4 #define M *X = (int *)0 5 F1(int ** X)6 void F1(int **X) { 7 M; 8 } 9 10 #undef M 11 #define M *Y = (int *)0 12 F2(int ** Y)13 void F2(int **Y) { 14 M; 15 } 16 17 #define M1 *Z = (int *)0 18 F3(int ** Z)19 void F3(int **Z) { 20 M1; 21 } 22