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A function definition consists of the function heading and its body, which is delimited by left and right braces: |
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Here's an example of a program with just one function, the main function: |
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//******************************************************************
// FreezeBoil program
// This program computes the midpoint between
// the freezing and boiling points of water
//******************************************************************
#include <iostream.h>
const float FREEZE_PT = 32.0; // Freezing point of water
const float BOIL_PT = 212.0; // Boiling point of water
int main()
{
float avgTemp; // Holds the result of averaging
// FREEZE_PT and BOIL_PT
cout < Water freezes at < FREEZE_PT < endl;
cout < and boils at < BOIL_PT < degrees. < endl;
avgTemp = FREEZE_PT + BOIL_PT;
avgTemp = avgTemp / 2.0;
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