Prime Nos. till limit

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 //Prime Nos Till Limit  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 void main()  
 {  
 int n,i,p=0,j;  
 clrscr();  
 printf("Enter Limit :");  
 scanf("%d",&n);  
 printf("\n Prime Nos are : ");  
 for(i=2;i<=n;i++)  
 { p=0;  
 for(j=2;j<=i/2;j++)  
 {  
 if((i%j)==0)  
 p++;  
 r}  
 if(p==0)  
 printf("%d ",i);  
 }  
 getch();  
 }