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 intro(2)							    intro(2)




 NAME
      intro - introduction to system calls

 DESCRIPTION
      This section describes all of the system calls.  All of these calls
      return a function result.	 This result indicates the status of the
      call.  Typically, a zero or positive result indicates that the call
      completed successfully, and -1 indicates an error.  The individual
      descriptions specify the details.	 An error number is also made
      available in the external variable errno (see errno(2)).	Note: errno
      is not cleared on successful calls.  Therefore, it should be tested
      only after an error has been indicated.

 SEE ALSO
      intro(3), errno(2), hier(5), introduction(9).

      Web access to HP-UX documentation on http://docs.hp.com.





































 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000