字符串处理 ---字符串倒置

                                                             字符串处理     ---字符串倒置

char *reverse(char *str)
{
    char *str_begin = str;
    char *str_end = str;

    assert(str != NULL);   
    while(*str_end++ != '/0')
        NULL;
    str_end--;
    str_end--;

    while(str_begin < str_end)
    {
        char temp;
        temp = *str_begin;
        *str_begin++ = *str_end;
        *str_end-- = temp;
    }
    return str;  
}