从char转换为int [英] Conversion from char to int

问题描述

嗨大家好，我想写一个用for循环将所有字符转换为int的节目，我不知道在我的char变量中放入什么作为第一个值



我尝试过：

Hi Guys , i want to write a pogramme that convert all chars to int with a for loop , i don't know what to put in my char variable as a first value

What I have tried:

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int i;
    char c ;
    c = 
    system("color a ");
    for(i=0;i<=255;i++)
    {
        printf("%c to int is : %d",c,c);
        printf("\n");
    }
    return 0;
}

推荐答案

更改循环：

Change your loop:

int main()
    {
    unsigned char c;
    for(c = 0; c != 255; c++)
        {
        printf("%c to int is : %d\n", c, (int) c);
        }
    return 0;
    }

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