【代码】int无符号位数转化为ip地址

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前言

int无符号位数转化为ip地址

源代码

  • int无符号位数转化为ip地址
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int main()
{
    unsigned int ip;
    scanf("%u", &ip);
    unsigned char *p = (unsigned char *) &ip;
    printf("%u.%u.%u.%u\n", p[3], p[2], p[1], p[0]);
    return 0;
}
  • ip地址转化为int无符号位数
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#include <stdio.h>

int main()
{
    int a1, a2, a3, a4;
    scanf("%d.%d.%d.%d", &a1, &a2, &a3, &a4);
    unsigned int ip = 0;
    unsigned char *p = (unsigned char *) &ip;
    p[0] = a4;
    p[1] = a3;
    p[2] = a2;
    p[3] = a1;
    printf("%u\n", ip);
    return 0;
}

完成