c语言找到一个十六进制数的某一位并替换答:include<stdio.h> unsigned int SetBit(unsigned int *num, int pos, int value);void main(){ unsigned int a = 0x1234abcd;printf("a=0x%08x\n",a);printf("a(0,0)=0x%08x\n",SetBit(&a,0,0));printf("a(0,1)=0x%08x\n",SetBit(&a,0,1));printf("a(31,1)=0x%08x\n...