elf_error man page on HP-UX

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elf_error(3E)							 elf_error(3E)

       elf_errmsg, elf_errno - error handling

       [flag... ] file...  [library] ...

       If  an  ELF  library function fails, a program may call to retrieve the
       library's internal error number.	  As  a	 side  effect,	this  function
       resets the internal error number to zero, which indicates no error.

       takes an error number, err, and returns a null-terminated error message
       (with no trailing new-line) that describes the  problem.	  A  zero  err
       retrieves  a  message  for  the	most  recent  error.   If no error has
       occurred, the return value is a null pointer (not a pointer to the null
       string).	  Using err of -1 also retrieves the most recent error, except
       it guarantees a non-null return value, even when no error has occurred.
       If  no  message is available for the given number, returns a pointer to
       an appropriate message.	This function does not have the side effect of
       clearing the internal error number.

       The  following  fragment clears the internal error number and checks it
       later for errors.  Unless an error occurs after the first call  to  the
       next call will return zero.

			 while (more_to_do)
				 /* processing ... */
				 if ((err = elf_errno()) != 0)
					 msg = elf_errmsg(err);
					 /* print msg */

       elf(3E), elf_version(3E).


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