#include <stdio.h>
#define QUIT 4
int get_menu_choice( void )
{
int selection = 0;
do
{
puts( "\n1 - Get a signed decimal integer" );
puts( "2 - Get a decimal floating-point number" );
puts( "3 - Get an unsigned decimal integer" );
puts( "4 - Quit" );
puts( "\nEnter a selection:" );
scanf( "%d", &selection );
}while ( selection < 1 || selection > 4 );
return selection;
}
int main( void )
{
int choice = 0;
int int_var = 0;
float float_var = 0.0;
unsigned unsigned_var = 0;
while (choice != QUIT)
{
choice = get_menu_choice();
if (choice == 1)
{
puts("\nEnter a signed decimal integer (i.e. -123)");
scanf("%d", &int_var);
}
if (choice == 2)
{
puts("\nEnter a decimal floating-point number\
(e.g. 1.23)");
scanf("%f", &float_var);
}
if (choice == 3)
{
puts("\nEnter an unsigned decimal integer \
(e.g. 123)" );
scanf( "%u", &unsigned_var );
}
}
printf("\nYour values are: int: %d float: %f unsigned: %u \n",
int_var, float_var, unsigned_var );
return 0;
}