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getchar ​

函数原型 ​

c
char getchar();

功能 ​

从键盘输入一个字符

示例 ​

c
void main()
{
    char c;

    SetScreen(0);
    printf("Press key...");
    while ((c = getchar()) != 'q') {
        SetScreen(0);
        printf("key: %c\nvalue: %d", c, c);
    }
}