1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
int printf(const char *, ...); char t[] = "012345678"; int main(void) { char *data = t; unsigned long long r = 4; unsigned a = 5; unsigned long long b = 12; *(unsigned*)(data + r) += a - b; printf("data = \"%s\"\n", data); return 0; }