Program

#include<stdio.h>
#include<conio.h>
void read(int *,int);
void dis(int *,int);
void inverse(int *,int);

main(){

   int a[5],i;

   read(a,5);
   dis(a,5);
   inverse(a,5);
   dis(a,5);
   getch();
}

void read(int c[],int i)
{
   int j;
   printf("Enter the list \n");
   for(j=0;j<i;j++)
      scanf("%d",&c[j]);
   fflush(stdin);
}
void dis(int d[],int i)
{
   int j;
   printf("The list is \n");
   for(j=0;j<i;j++)
      printf("%d ",d[j]);
   printf("\n");
}
void inverse(int inver_a[],int j)
{
   int i,temp;
   j--;
   for(i=0;i<(j/2);i++)
   {
      temp=inver_a[i];
      inver_a[i]=inver_a[j];
      inver_a[j]=temp;
      j--;
   }
}

Result

Enter the list
1
2
3
4
5
The list is
1 2 3 4 5
The list is
5 2 3 4 1