New1.c(49): error C267: 'rrc': requires ANSI-style prototype

[封尘浪]

/*--------------------------------------------------------------------------------------
* Project: New1.c
* Name: zwp
* Date: 2013.3
*--------------------------------------------------------------------------------------*/


#include <REG51.h>
#include <stdio.h>

typedef unsigned char uchar;
typedef unsigned int uint;

uchar rcc(uchar ch, uchar num);

void delay(uint number);


uchar rcc(uchar ch, uchar num)
{
uchar tbite, tbitl;

tbite = ch << (8 - num); // left remove
tbitl = ch >> num; // right remove
ch = tbitl|tbite;

return ch;
}


void delay(uint number)
{
while(number--);
{
// empty
}
}


int main(void)
{
uchar index, temp;
uint jun;

P1 = 0xff;

for(index = 0, temp = 0xfe; index < 8; index ++)
{
P1 = rrc(temp, index);
delay(100);
}

return 0;

}


New1.c(49): error C267: 'rrc': requires ANSI-style prototype；

编译时出现错误： 要求ANSI风格的原型 ，我检查没错啊？ 请求前辈指点！

[dceacho]

仔细看 rcc,rrc 那个错误是说你的rrc未定义

[封尘浪]

哎，太粗心了，以后要好好检查程序！ 非常感激前辈指点，谢谢