Invoking function call using function pointer C program example

 

 

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows 2003 Server Standard Edition

Header file: Standard

Additional project setting: Set project to be compiled as C

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C Code (/TP)

Other info: none

To do: Invoking function call using function pointer C program example

To show: How to invoke the function call using function pointer in C programming

 

 

/* Invoking function using function pointer */

#include <stdio.h>

 

/* function prototype */

int somedisplay();

 

int main(void)

{

int (*func_ptr)();

 

/* assigning a function to function pointer as normal variable assignment */

func_ptr = somedisplay;

 

/* checking the address of function */

printf("\nAddress of function somedisplay() is %p", func_ptr);

 

/* invokes the function somedisplay() */

(*func_ptr)() ;

 

return 0;

}

 

int somedisplay()

{

printf("\nI'm in somedisplay()...\n");

 

return 0;

}

 

Output example:

 

Address of function somedisplay() is 004111C7

I'm in somedisplay()...

Press any key to continue . . .

 

 

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