Functions That Do Not Return a Value 03/09/11

Reminders  Quiz 3 Friday Work with partner on for-loop activity. Work with partner on for-loop activity. pp pp

void Functions  We have written functions that return a value.  Can write functions that don't return anything.  ch5/circle1.cpp instructions( ) function prints, but doesn't return a value. instructions( ) function prints, but doesn't return a value.

void functions  start with "void"  return statement w.o. value  return statement is optional  A call to the function stands alone as statement.

void functions  function could be passed value  starSqWhile.cpp Has a void function to print square of asterisks Has a void function to print square of asterisks Nested loop Nested loop

Linux Redirection  a.out < dataIn.txt  a.out > dataOut.txt  Pipeline One process gets output of previous One process gets output of previous

For Next Monday  Read pp Tables, , do- while. Also nested loops.