Language Ccpp Cref Examples POINTER1_FUNC.C

/ ************************************************************************
 *
 * Purpose: Program to demonstrate passing a pointer to an array 
 *	 to a function.
 * Author: M J Leslie.
 * Date: 14-Apr-94
 *
 ************************************************************************/
#define I_SIZE 2
void add(int*); 			/* Function declaration 	*/
main()
 {
 int i[I_SIZE]={4,6};			/* array declaration 		*/
 int count=0;
 for (count=0;count<I_SIZE;count++) 
 printf("i starts out life as %d.\n", i[count]);
 add(i); 				/* Function call 		*/
 for (count=0;count<I_SIZE;count++) \
 printf(" i is now %d.\n", i[count]);
 }
/************************************************************************/
void add(int *ptr)	 		/* Function definition 		*/
 {
 ++*ptr;				/* Add 1 to the first element in 
					 the array			*/
 ++*(ptr+1);				/* And the second element	*/
 return;
 }

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