1 long subv0(void *p, int a) { return p - ((void*)0); } 2 long subvc(void *p, int a) { return p - ((void*)8); } 3 long subva(void *p, int a) { return p - ((void*)a); } 4 long subvq(void *p, void *q) { return p - q; } 5 6 long subi0(int *p, int a) { return p - ((int *)0); } 7 long subic(int *p, int a) { return p - ((int *)8); } 8 long subia(int *p, int a) { return p - ((int *)a); } 9 long subiq(int *p, int *q) { return p - q; } 10 11 long subvm3(void *p, int a) { return (p - ((void*)0)) * 3; } 12 long subvx3(void *p, int a) { return (p - ((void*)0)) ^ 3; } 13 14 /* 15 * check-name: pointer-sub 16 * check-command: sparsec -Wno-int-to-pointer-cast -Wno-decl -c $file -o tmp.o 17 */ 18