Reading, writing, reversing an integer array

/* array2.c -- Read/writing/reversing integer arrays
*/

#include <stdio.h>

#define NMAX 10

void intSwap(int *x, int *y);
int getIntArray(int a[], int nmax, int sentinel);
void printIntArray(int a[], int n);
void reverseIntArray(int a[], int n);

int main(void) {
int x[NMAX];
int hmny;

hmny = getIntArray(x, NMAX, 0);
printf("The array was: \n");
printIntArray(x,hmny);
reverseIntArray(x,hmny);
printf("after reverse it is:\n");
printIntArray(x,hmny);
}

void intSwap(int *x, int *y)
/* It swaps the content of x and y */
{
int temp = *x;
*x = *y;
*y = temp;
}

void printIntArray(int a[], int n)
/* n is the number of elements in the array a.
* These values are printed out, five per line. */
{
int i;

for (i=0; i<n; ){
printf("\t%d ", a[i++]);
if (i%5==0)
printf("\n");
}
printf("\n");
}

int getIntArray(int a[], int nmax, int sentinel)
/* It reads up to nmax integers and stores then in a; sentinel 
* terminates input. */
{
int n = 0;
int temp;

do {
printf("Enter integer [%d to terminate] : ", sentinel);
scanf("%d", &temp);
if (temp==sentinel) break;
if (n==nmax)
printf("array is full\n");
else 
a[n++] = temp;
}while (1);
return n;
}

void reverseIntArray(int a[], int n)
/* It reverse the order of the first n elements of a */
{
int i;

for(i=0;i<n/2;i++){
intSwap(&a[i],&a[n-i-1]);
}
}