Program To Implement A Dynamic Table

/*  Program To Implement A Dynamic Table.      */

#include<stdio.h>
#include<conio.h>
void main()
{	int stock[6][3]={  { 101,50,25 },
			   { 105,30,15 },
			   { 108,100,50 },
			   { 102,60,20 },
			   { 107,15,5 },
			   { 110,50,30 }
			};
	int  i,qty,icode,item;
	char ch,op;
	printf("\n item code \t currentstock\n");
	for( i=0;i<6;i++ )
	 printf("\n%d \t %d",stock[i][0],stock[i][1]);
	do
	 {  printf("\n enter transaction type:(i)ssue,(r)eceive\n");
	    ch=getchar();
	    printf("\n enter item code \n");
	    scanf("%d",&icode);
	    flg'n'
	    ;
	    if( ch=='i' )
	     {  printf("\n enter quantity\n");
		scanf("%d",&qty);
		for( i=0;i<6;i++ )
		{ if( stock[i][0]==icode )
		  {  flg='y';
		     if( stock[i][1]>=qty)
		       { stock[i][1]=stock[i][1]-qty;
			 printf("%d units of item %d issued",qty,icode);
			 if( stock[i][1]<stock[i][2] )
			     printf("\n item %d is below reorder level",icode);
		       }
		     else if ( stock[i][1]!=0 )
		      {  printf("\n %d units of items %d issued",stock[i][1],icode);
			 stock[i][1]!=0;
			 printf("\n item %d is below reorder level",icode);
		      }
		     else
		      {  printf("\n stock not available");
			 printf("\n item %d is below reorder level",icode);
			 break;
		      }
		  }
		}
		if( flg!='y' )
		printf("\n invalid item code");
	     }
	    else if( ch=='r' )
	     {  printf("\n enter quantity\n");
		scanf("%d",&qty);
		for( i=0;i<6;i++ )
		 {  if( stock[i][0]==icode )
		      { stock[i][1]>=qty;
			if ( stock[i][1]>=stock[i][2] )
			     printf("\n item %d is above reorder level",icode);
			     flg='y';
			     break;
		      }
		 }
		if( flg!='y' )
		  printf("\n invalid item code");
	     }
	    else
	       printf("\n invalid option");
	     printf("\n enter 'y' or 'Y' to continue...\n");
	     op=getchar();
	 }
	while( op=='y' || op=='Y' );
	printf("\n item code is \t quantity \n");
	for( i=0;i<6;i++ )
	   printf("\n %d \t %d",item[i][0],item[i][1]);
	getch();
}

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