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流水燈想循環(huán)幾次，現(xiàn)在出錯(cuò)，找不出錯(cuò)誤，求大神指點(diǎn)
#include <reg51.h>
#include <intrins.h>
#define uint unsigned int
uint aa;
void delay(uint i)
{
uint j;
uint k;
for(j=i;j>0;j--)
for(k=110;k>0;k--);
}
void main()
{
aa=0xff;
uint m;
for(m=20,m>0;m--)
{
while(1)
{
P1=aa;
delay(1000);
aa=_crol_(aa,1);
}
}
}
Build target 'Target 1'
compiling 5.c...
5.C(19): error C141: syntax error near 'unsigned'
5.C(19): error C202: 'm': undefined identifier
5.C(20): error C202: 'm': undefined identifier
5.C(20): error C141: syntax error near ')'
Target not created
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