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STC89C51RC单片机数据类型的字节数测试
i = sizeof(char);//char是一字节的变量if(i == 1){led0 = 0;}i = sizeof(int);if(i == 2)//led等亮，测试int是两字节的变量{led1 = 0;}i = sizeof(unsigned int);//unsigned int 是两字节的变量if(i == 2){led2 = 0
i = sizeof(char);//char是一字节的变量if(i == 1){led0 = 0;}i = sizeof(int);if(i == 2)//led等亮，测试int是两字节的变量{led1 = 0;}i = sizeof(unsigned int);//unsigned int 是两字节的变量if(i == 2){led2 = 0
