switch.c(35): error C231: 'plus': redefinition switch.c(45): error C231: 'plus': - C语言论坛

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switch.c(35): error C231: 'plus': redefinition switch.c(45): error C231: 'plus':

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint  unsigned int
uchar code seg[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//¹²ÑôLEDÊýÂë¹Ü¶ÎÂë±í
void delay(uint t)      //ÑÓÊ±º¯Êý
{
    uchar j;
  while(t --)
  for(j=0;j<200;j++);
}
void main()   //Ö÷º¯Êý
{
    do
{
char state;
P1=0xff;//p1ÎªÊäÈë¿Ú
state=P1;//¶Áp1µÄ×´Ì¬ËÍÈëstate
state=state&0x03;//ÆÁ±ÎP1¿Ú¸ß6Î»µÄ×´Ì¬
switch(state)//ÅÐ¶Ïp1¿ÚµÍÁ½Î»µÄ×´Ì¬
{
    case 0:keep();
       break;
    case 1:plus();
        break;
    case 2:minus();
       break;
    case 3:keep();
       break;
}
}
while(1);
}
void plus(void)    //ÕýÏòÑ»·º¯Êý
{
    uchar i;
    while(1)
{
    for(i=0;i<9;i++)
    {
    P0=seg[i];
    delay(900);
    }
}
}
void minus(void)    //·´ÏòÑ»·º¯Êý
{
    uchar i;
    while(1)
{
    for(i=9;i>0;i--)
    {
    P2=seg[i];
    delay(900);
    }
}
}

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#include<reg51.h> #include<intrins.h> #define uchar unsigned char #define uint unsigned int void delay(uint t); void plus(void); void minus(void); uchar code seg[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//¹²ÑôLEDÊýÂë¹Ü¶ÎÂë±í void delay(uint t) //ÑÓÊ±º¯Êý { uchar j; while(t --) for(j=0;j<200;j++); } void main() //Ö÷º¯Êý { do { char state; P1=0xff;//p1ÎªÊäÈë¿Ú state=P1;//¶Áp1µÄ×´Ì¬ËÍÈëstate state=state&0x03;//ÆÁ±ÎP1¿Ú¸ß6Î»µÄ×´Ì¬ switch(state)//ÅÐ¶Ïp1¿ÚµÍÁ½Î»µÄ×´Ì¬ { case 0:keep(); break; case 1:plus(); break; case 2:minus(); break; case 3:keep(); break; } } while(1); } void plus(void) //ÕýÏòÑ»·º¯Êý { uchar i; while(1) { for(i=0;i<9;i++) { P0=seg[i]; delay(900); } } } void minus(void) //·´ÏòÑ»·º¯Êý { uchar i; while(1) { for(i=9;i>0;i--) { P2=seg[i]; delay(900); } } }