3910 t_look(3NSL) should never return T_ERROR

*** 26,42 ****
   */
  
  /*
   * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_TIUSER_H
  #define _SYS_TIUSER_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/types.h>
  /*
   * The following include file has declarations needed by both the kernel
   * level transport providers and the user level library.
   */
--- 26,41 ----
   */
  
  /*
   * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2014 Gary Mills
   */
  
  #ifndef _SYS_TIUSER_H
  #define _SYS_TIUSER_H
  
  #include <sys/types.h>
  /*
   * The following include file has declarations needed by both the kernel
   * level transport providers and the user level library.
   */
*** 53,63 ****
  #define T_LISTEN        0x0001  /* connection indication received       */
  #define T_CONNECT       0x0002  /* connect confirmation received        */
  #define T_DATA          0x0004  /* normal data received                 */
  #define T_EXDATA        0x0008  /* expedited data received              */
  #define T_DISCONNECT    0x0010  /* disconnect received                  */
- #define T_ERROR         0x0020  /* fatal error occurred                 */
  #define T_UDERR         0x0040  /* data gram error indication           */
  #define T_ORDREL        0x0080  /* orderly release indication           */
  #define T_EVENTS        0x00ff  /* event mask                           */
  
  /*
--- 52,61 ----