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  2. RPG400-L
  3. November 2006

RE: socket api question - is it possible for recv() to receive 0byte from server?
I consider setting errno to zero to be a bad practice. You risk screwing up other routines when you set it to zero. You also risk getting "false alarms" when you use it to determine if something failed.
It's not rocket science. Each API returns a value to tell if you if it succeeded or failed -- use THAT VALUE to determine if it failed. Use errno to get a description of the last error (from any routine) that failed. 

Why do people insist on doing this another way?!

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