Question

Write a C program to display the Product information and Payment mode of a customer using bit fields. * The product information are P_rice=0, P_wheat=1, P_dall=2, P_sugar=3, Cash=5 and Card=6 * The bit fields member functions are Ptype, Pmode and *Pname is character type

Answer 1

#include <stdio.h>


/*
	Write a C program to display the Product information and Payment mode 
	of a customer using bit fields. * The product information are 
	P_rice=0, P_wheat=1, P_dall=2, P_sugar=3, Cash=5 and Card=6 * 
	The bit fields member functions are Ptype, Pmode and *Pname is character type
*/


#define p_rice	0
#define p_wheat 1
#define p_dalll	2
#define p_sugar	3
#define p_Cash	5
#define p_Card	6


main(void)
{
	unsigned char Info=0x00, Flag=1;
	int item;
	
	while(Flag)
	{
		item=-1;
		while(item<1 || item>4) 
		{
			printf("\nPress 1 for Rice  "); 
			printf("\nPress 2 for Wheat "); 
			printf("\nPress 3 for Dall  "); 
			printf("\nPress 4 for Sugar "); 
			printf("\nEnter Option (1, 2, 3 or 4): "); scanf("%d",&item);
			if(item==1) Info = 0x01;
			if(item==2) Info = 0x02;
			if(item==3) Info = 0x04;
			if(item==4) Info = 0x08;
		}
		item=-1;
		while(item<5 || item>6) 
		{
			printf("\nPress 5 for Cash "); 
			printf("\nPress 6 for Card "); 
			printf("\nEnter Option (5 or 6): "); scanf("%d",&item);
			if(item==5) Info = Info | 0x20;
			if(item==6) Info = Info | 0x40;
		}
		if((Info & 0x0F) == 0x01) printf("\n\nItem Ordered = Rice");
		if((Info & 0x0F) == 0x02) printf("\n\nItem Ordered = Wheat");
		if((Info & 0x0F) == 0x04) printf("\n\nItem Ordered = Dall");
		if((Info & 0x0F) == 0x08) printf("\n\nItem Ordered = Sugar");
		if((Info & 0x60) == 0x20) printf("\n\nPayment by: Cash");
		if((Info & 0x60) == 0x40) printf("\n\nPayment by: Card");
		Flag=-1;
		while(Flag<0 | Flag>1)
		{
			printf("\n\nPres 1 to continue or 0 to quit: "); scanf("%d",&Flag);
		}
		
	}
}