/* Fig. 7.28: fig07_28.c
	Demonstrating an array of pointers to functions */
	#include <stdio.h>
	void function1( int a );
	void function2( int b );
	void function3( int c );
	int main( void )
	{
	void (*f[ 3 ])( int ) = { function1, function2, function3 };
	int choice;
	printf( "Enter a number between 0 and 2, 3 to end: " );
	scanf( "%d", &choice );
	while ( choice >= 0 && choice < 3 ) {
	(*f[ choice ])( choice );
	printf( "Enter a number between 0 and 2, 3 to end: ");
	scanf( "%d", &choice );
	}
	printf( "Program execution completed.\n" );
	return 0;
	}
	void function1( int a )
	{
	printf( "You entered %d so function1 was called\n\n", a );
	}
	void function2( int b )
	{
	printf( "You entered %d so function2 was called\n\n", b );
	}
	void function3( int c )
	{
	printf( "You entered %d so function3 was called\n\n", c );
	}