| 词条 | bioskey |
| 释义 | § 函数名 bioskey § 功能 直接使用BIOS服务的键盘接口 § 函数语法 int bioskey(int cmd); § 程序演示 #include <stdio.h> #include <bios.h> #include <ctype.h> #define RIGHT 0x01 #define LEFT 0x02 #define CTRL 0x04 #define ALT 0x08 int main(void) { int key, modifiers; /* function 1 returns 0 until a key is pressed */ while (bioskey(1) == 0); /* function 0 returns the key that is waiting */ key = bioskey(0); /* use function 2 to determine if shift keys were used */ modifiers = bioskey(2); if (modifiers) { printf("【"); if (modifiers & RIGHT) printf("RIGHT"); if (modifiers & LEFT) printf("LEFT"); if (modifiers & CTRL) printf("CTRL"); if (modifiers & ALT) printf("ALT"); printf("】"); } /* print out the character read */ if (isalnum(key & 0xFF)) printf("'%c'\", key); else printf("%#02x\", key); return 0; } |
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