/* Fig. 5.3: fig05_03.c Creating and using a programmer-defined function */ #include int square( int y ); /* function prototype */ /* function main begins program execution */ int main() { int x; /* counter */ /* loop 10 times and calculate and output square of x each time */ for ( x = 1; x <= 10; x++ ) { printf( "%d ", square( x ) ); /* function call */ } /* end for */ printf( "\n" ); return 0; /* indicates successful termination */ } /* end main */ /* square function definition returns square of parameter */ int square( int y ) /* y is a copy of argument to function */ { return y * y; /* returns square of y as an int */ } /* end function square */ /************************************************************************** * (C) Copyright 1992-2004 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/