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Use of structure pointers as function parameters

Posted By: Alexander Evans     Category: C Programming     Views: 3556

Use of structure pointers as function parameters

Code for Use of structure pointers as function parameters in C Programming

struct stores                                                    
   {                                                                
        char  name[20];                                             
        float price;                                                
        int   quantity;                                             
   };                                                               
   main()                                                           
   {                                                                
        void update(struct stores *, float, int);                                              
        float         p_increment, value;                    
        int           q_increment;                                  
                                                                    
        struct stores item = {"XYZ", 25.75, 12};             
        struct stores *ptr = &item;                                 
                                                                    
        printf("\nInput increment values:");                        
        printf(" price increment and quantity increment\n");        
        scanf("%f %d", &p_increment, &q_increment);                 
                                                                    
   /* - - - - - - - - - - - - - - - - - - - - - - - - - - - */
update(&item, p_increment, q_increment); /* - - - - - - - - - - - - - - - - - - - - - - - - - - - */
printf("Updated values of item\n\n"); printf("Name : %s\n",ptr->name); printf("Price : %f\n",ptr->price); printf("Quantity : %d\n",ptr->quantity); /* - - - - - - - - - - - - - - - - - - - - - - - - - - - */
value = mul(&item); /* - - - - - - - - - - - - - - - - - - - - - - - - - - - */
printf("\nValue of the item = %f\n", value); } void update(struct stores *product, float p, int q) { product->price += p; product->quantity += q; } float mul(struct stores *stock) { return(stock->price * stock->quantity); } Output Input increment values: price increment and quantity increment 10 12 Updated values of item Name : XYZ Price : 35.750000 Quantity : 24 Value of the item = 858.000000
  
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Alexander Evans
Alexander Evans author of Use of structure pointers as function parameters is from London, United Kingdom.
 
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