c语言 字段题

发布网友 发布时间：2022-04-20 09:56

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热心网友 时间：2023-07-16 00:43

#include <stdio.h>
#include <stdlib.h>
struct bits
{
unsigned char bit0;
unsigned char bit1;
unsigned char bit2;
unsigned char bit3;
unsigned char bit4;
unsigned char bit5;
unsigned char bit6;
unsigned char bit7;
};
void f0(int b);
void f1(int b);
void f2(int b);
void f3(int b);
void f4(int b);
void f5(int b);
void f6(int b);
void f7(int b);
int main()
{
unsigned int x,i,a[8],j;
struct bits b;
void (*p_fun[8])(struct bits);
scanf("%d",&x); //输出无符号字符x
for(i=0;x>0;i++)
{
a[i]=x&0x1;
x=x>>1;
}
b.bit0=a[7]+'0';
b.bit1=a[6]+'0';
b.bit2=a[5]+'0';
b.bit3=a[4]+'0';
b.bit4=a[3]+'0';
b.bit5=a[2]+'0';
b.bit6=a[1]+'0';
b.bit7=a[0]+'0';
p_fun[0]=f0;
p_fun[1]=f1;
p_fun[2]=f2;
p_fun[3]=f3;
p_fun[4]=f4;
p_fun[5]=f5;
p_fun[6]=f6;
p_fun[7]=f7;
if(b.bit0=='1')
f0(b.bit0);
if(b.bit1=='1')
f1(b.bit1);
if(b.bit2=='1')
f2(b.bit2);
if(b.bit3=='1')
f3(b.bit3);
if(b.bit4=='1')
f4(b.bit4);
if(b.bit5=='1')
f5(b.bit5);
if(b.bit6=='1')
f6(b.bit6);
if(b.bit7=='1')
f7(b.bit7);
return 0;
}
void f0(int b)
{
printf("the function0 %d is called!\n",b);
}
void f1(int b)
{
printf("the function1 %d is called!\n",b);
}
void f2(int b)
{
printf("the function2 %d is called!\n",b);
}
void f3(int b)
{
printf("the function3 %d is called!\n",b);
}
void f4(int b)
{
printf("the function4 %d is called!\n",b);
}
void f5(int b)
{
printf("the function5 %d is called!\n",b);
}
void f6(int b)
{
printf("the function6 %d is called!\n",b);
}
void f7(int b)
{
printf("the function7 %d is called!\n",b);
}