/*
 *  =========================================================================
 *  File1 : Demonstrate Scope of Variables and Functions in 2 file C Program.
 *
 *  Copyright (C) 1994-96 by Mark Austin and David Mazzoni.
 *                                                                     
 *  This software is provided "as is" without express or implied warranty.
 *  Permission is granted to use this software on any computer system,
 *  and to redistribute it freely, subject to the following restrictions:
 * 
 *  1. The authors are not responsible for the consequences of use of
 *     this software, even if they arise from defects in the software.
 *  2. The origin of this software must not be misrepresented, either
 *     by explicit claim or by omission.
 *  3. Altered versions must be plainly marked as such, and must not
 *     be misrepresented as being the original software.
 *  4. This notice is to remain intact.
 *                                                                     
 *  Written By : M. Austin and D. Mazzoni                        January 1994
 *  =========================================================================
 */

#include <stdio.h>

/* Declarations for (external) Functions */

void        TestFunction1();
extern void TestFunction2();

/* Declarations for Global and File-level Variables */

enum {freezing = 32};
float fTemperature = freezing;  /* Global float variable, which is visible 
                                   throughout rest of this file,  and also   
                                   visible to other files */
static int iValue1 = 10;        /* Scope of iValue1 restricted to this file */

int main( void ) {
int iCount;

   /* [a] : Increment Variables in External File */

      printf("In main() : iValue1      = %d\n", iValue1 );
      printf("In main() : fTemperature = %f\n", fTemperature);
      TestFunction1();
      printf("In main() : fTemperature = %f\n", fTemperature);

   /* [b] : Call TestFunction2() three times */

      for(iCount = 1; iCount <= 3; iCount++ )
          TestFunction2();
}

void TestFunction1() {
   printf("In TestTunction1() located in file 1 : Value1 = %d\n", iValue1);
}