Data Structure

//Data Structure Lab
#include <stdio.h>
int main()
{
    int a[100],n,i,c,b;
    printf("\n Enter How Many Values");
    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("\n Press 0 for quit");
        printf("\n Press 1 for Display");
        printf("\n Press 2 inset and last position");
        printf("\n Press 3 insertion al specific");
        printf("\n Press 4 for Delete from Specific position");
        printf("\n Press 5 for Linear Search");
        printf("\n Press 6 for Bubble Short");
        printf("\n Press 7 for Binary Search");
        printf("\n Enter Your Choice \n");
        scanf("%d", &c);
        switch(c)
        {
            case 0: b=0;
            break;
            default:printf("\n Wrong Choice");
            break;
        }

    }
}