Fail opening com1 or com2

[Eric LECHOPIER]

When opening a serial port, the open function returns 0 (it is stdin).

int fd;

fd = open ("com1", O_RDWR);

then fd = 0

So, the system doesn't open serial port but STDIN.

How to solve that problem ?

Thank you.
Eric

  ______________________________________________________________________
  | Eric LECHOPIER			E-mail : ericl@elekta-igs.com 
  | Software Dev. Engineer
  |______________________________________________________________________
  |                                                            
  | ELEKTA IGS SA			Tel : (33) 4-76-63-31-90
  | 2 av de vignate			Fax : (33) 4-76-51-80-33
  | Centre Equation - Bat 5                                                
  
  | 38610 GIERES - FRANCE                                             
  |______________________________________________________________________

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