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  man pages->HP-UX 11i man pages -> t_error (3)              


 t_error(3)                                                       t_error(3)

 NAME    [Toc]    [Back]
      t_error() - produce error message

 SYNOPSIS    [Toc]    [Back]
      #include <xti.h>            /* for X/OPEN Transport Interface - XTI */
      /* or */
      #include <tiuser.h>         /* for Transport Layer Interface - TLI  */

      void t_error (errmsg);
      char *errmsg;
      extern int t_errno;
      extern char *t_errlist[];
      extern int t_nerr;

 DESCRIPTION    [Toc]    [Back]
      The t_error() function produces a language-dependent message on the
      standard error output which describes the last error encountered
      during a call to a transport function.  The argument string errmsg is
      a user-supplied error message that gives context to the error.

      The error message is written as follows:

           First if errmsg is not a null pointer and the character pointed
           to be errmsg is not the null character, the string pointed to by
           errmsg is written followed by a colon and a space.

           Then a standard error message string for the current error
           defined in t_errno is written.  If t_errno has a value different
           from [TSYSERR], the standard error message string is followed by
           a newline character.  If, however, t_errno is equal to [TSYSERR],
           the t_errno string is followed by the standard error message
           string for the current error defined in errno followed by a

      The language for error message strings written by t_error() is
      implementation-defined.  If it is in English, the error message string
      describing the value in t_errno is identical to the comments following
      the t_errno codes defined in <xti.h>.  The contents of the error
      message strings describing the value in errno are the same as those
      returned by the strerror() function with an argument of errno.

      To simplify variant formatting of messages, the array of message
      strings t_errlist is provided; t_errno can be used as an index in this
      table to get the message string without the newline.  The variable
      t_nerr is the largest message number provided for in the t_errlist

      The error number, t_errno, is only set when an error occurs and it is
      not cleared on successful calls.

 Hewlett-Packard Company            - 1 -   HP-UX 11i Version 2: August 2003

 t_error(3)                                                       t_error(3)

    Thread-Safeness    [Toc]    [Back]
      The t_error() function is safe to be called by multithreaded
      applications, and it is thread-safe for both POSIX Threads and DCE
      User Threads.  It has a cancellation point.  It is neither asynccancel
 safe nor async-signal safe.  Finally, it is not fork-safe.

    Valid States    [Toc]    [Back]
      All - apart from T_UNINIT.

 RETURN VALUE    [Toc]    [Back]
      For XTI, upon completion, a value of 0 is returned.  TLI does not
      return a value.

 ERRORS    [Toc]    [Back]
      No errors are defined for the t_error() function.

 EXAMPLES    [Toc]    [Back]
      If a t_connect() function fails on transport endpoint fd2 because a
      bad address was given, the following call might follow the failure:

           t_error("t_connect failed on fd2");

      The diagnostic message to be printer would look like:

           t_connect failed on fd2:   Incorrect address format

      where Incorrect address format identifies the specific error that
      occurred, and t_connect failed on fd2 tells the user which function
      failed on which transport endpoint.

 FILES    [Toc]    [Back]
      /usr/lib/nls/msg/C/libnsl_s.cat                   NLS message catalog
                                                        for TLI

      t_error(): SVID2, XPG3, XPG4

 Hewlett-Packard Company            - 2 -   HP-UX 11i Version 2: August 2003
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