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From: "George C. Moschovitis" <gmoscho AT cc DOT ece DOT ntua DOT gr>
Subject: Interrupt chaining question / lint
To: djgpp AT sun DOT soe DOT clarkson DOT edu (djgpp)
Date: Sun, 29 Oct 1995 09:52:05 +0200 (EET)


Hi,

  I have the following problem an wonder if anyone can help me:
  I 've written an interrupt handler in C plus code to install it etc,etc
  and it all works fine. But now i want to chain the old handler to my
  handler. I have saved the old vector in 
  
       void (*old_vec)();
       
  how can I call the handler that old_vec points to from C as gcc does not
  support the interrupt keyword found in other pc compilers ?
  I tried something like:
   
       asm ("
         pushf
	 call (_old09)
       ");
       
  but it just crashed... However I am not sure I 've written the above asm
  code correct as I am not familiar with the AT&T syntax.
  Anyone can help on this ?
  
  And something else,
   
  does anyone know where I can find a msdos version of lint ? (pd/shareware)
  
  
  Thanks in advance,
  
  George Moshovitis
  tmL-