Program to show Circular Queue implementation through Array in C

#include 
#include
# define MAXSIZE 200

int cq[MAXSIZE];
int front,rear;

void main()
{
void add(int,int [],int,int,int);
int del(int [],int ,int ,int );
int will=1,i,num;
front = 1;
rear = 1;

clrscr();
printf("Program for Circular Queue through array in C");
while(will ==1)
{
printf("MAIN MENU: 
 1.Add element to Circular Queue
 2.Delete element from the Circular Queue");
scanf("%d",&will);

switch(will)
{
case 1:
 printf("Enter the Number... ");
 scanf("%d",&num);
 add(num,cq,MAXSIZE,front,rear);
 break;
case 2: i=del(cq,MAXSIZE,front,rear);
 printf("Value returned from delete function is  %d ",i);
 break;
default: printf("Invalid Choice . ");
}

printf(" Do you want to do more operations on Circular Queue (Enter 1 for yes, any other key to exit) ");
scanf("%d" , &will);
} //end of  outer while
}               //end of main

void add(int item,int q[],int MAX,int front,int rear)
{
rear++;
rear= (rear%MAX);
if(front ==rear)
 {
 printf("CIRCULAR QUEUE FULL");
 return;
 }
else
 {
 cq[rear]=item;
 printf("Rear = %d    Front = %d ",rear,front);
 }
}
int del(int q[],int MAX,int front,int rear)
{
int a;
if(front == rear)
 {
 printf("CIRCULAR STACK EMPTY");
 return (0);
 }
else
 {
 front++;
 front = front%MAX;
 a=cq[front];
 return(a);
 printf("Rear = %d    Front = %d ",rear,front);
 }
}

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