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Language Ccpp Cref Examples FUNC_POINT2.C

 
/************************************************************************
 *
 * Purpose: 1. Define a pointer to a function with parameters.
 *          2. Point at the function.
 *          3. Execute the function passing parameters to it.
 *
 * Author:  M.J. Leslie
 *
 * Date:    04-Jun-95
 *
 ************************************************************************/

int (*fpointer)(int, int);	/* Define a pointer to a function	*/

int add(int, int);		/* Define a few functions.		*/
int sub(int, int);

main()
   {
   fpointer =index.html add;		/* Put the address of 'add' in 'fpointer' */
   printf("%d \n", fpointer(4, 5));	/* Execute 'add' and print results */

   fpointer = sub;		/* Repeat for 'sub'			*/
   printf("%d \n", fpointer(6, 2));
   }

/************************************************************************/

int add(int a, int b)
   {
   return(a + b);
   }

/************************************************************************/

int sub(int a, int b)
   {
   return(a - b);
   }


file: /Techref/language/ccpp/cref/EXAMPLES/func_point2.c, 1KB, , updated: 1996/10/9 01:32, local time: 2023/2/4 03:25,
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