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switch case

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Join Date: Jun 2007

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aasi007onfire aasi007onfire is offline

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switch case

Jun 21st, 2007

"We can also have null statements by just including a ; or let the switch statement fall through by omitting any statements (see e.g. below).

The default case is optional and catches any other cases."

i found these lines about the switch case statement in a site.... i couldn't understand what is meant by null statement here......

the link to the page is
http://www.cs.cf.ac.uk/Dave/C/node5....00000000000000

can somebody help me please......

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Join Date: Sep 2004

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Narue

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Code Goddess

Re: switch case

Jun 21st, 2007

A null statement is just a semicolon. It's a statement that does nothing. For example:

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 C Syntax (Toggle Plain Text) 
#include <stdio.h>
 
int main ( void )
{
  printf ( "Blah\n" ); /* Statement */
 
  ; /* Null statement */
 
  return 0;
}
#include <stdio.h>

int main ( void )
{
  printf ( "Blah\n" ); /* Statement */

  ; /* Null statement */

  return 0;
}