C经典代码大全

代码说明：

一些C编程语言经典编程题目，希望对大家有用。#include int main(void) { unsigned int i = 0x12345678; char*pc =(char*)&i; printf("0x%x ", *pc); double *pd = (double*)&i; printf("%f ", *pd); printf("sizeof pc = %d sizeof pd = %d ", sizeof(pc), sizeof(pd)); return 0; }