Data Structure Lab-3

#include<stdio.h>
void display(int b[],int k);
void Edit_Array(int b[],int nn, int pp, int vv);
int main()
{
    int n,a[100],i,c,b=1,p,v;
    printf("\n How Many Values:\n");
    scanf("%d",&n);
    printf("\n Enter Values:\n");
    for(i=1;i<=n;i++)
    scanf("%d",&a[i]);
    while(b)
    {
       printf("\n---Menu---\n");
        printf("press 0 for Quiet\n");
         printf("press 1 for Display\n");
          printf("press 2 for insertion at last position\n");
           printf("press 3 for insertion at specific position\n");
            printf("press 4 for Deleting from specific position\n");
             printf("press 5 for Linear Search\n");
              printf("press 6 for Bouble Sort\n");
               printf("press 7 for Binary Search\n");
                printf("press 8 for Edit\n");
                 printf("Enter Your Choice\n");

                 scanf("%d",&c);

                 switch(c)
                 {
                     case 0: b=0;

                             break;
                     case 1: printf("\n choice=Display\n");
                             if (n!=0)
                             Display(a,n);
                             else
                              printf("The Array is Empty\n");
                              break;
                    case 8: printf("\n choice= Edit\n");
                         M: printf("Enter position Between %d to %d\n",1,n);
                            scanf("%d",&p);
                            if(p>=1 & p<=n)
                            {
                                printf("Enter Value\n");
                                scanf("%d",&v);
                                Edit_Array(a,n,p,v);

                            }
                            else
                            {
                                printf("\n Wrong Position\n");
                                goto M;
                            }
                            break;
                             default:printf("\n Wrong Choice\n");
                             break;
                 }
    }
}
void Display(int b[],int k)
{
    int j;
    printf("\n The values Are\n");
    for (j=1;j<=k;j++)
    printf ("%d\n",b[j]);
}
void Edit_Array(int b[], int nn,int pp,int vv)
{
    b[pp]=vv;
}