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12306 XPG4v2 slave pty behaviour should generally be disabled
Reviewed by: Robert Mustacchi <rm@fingolfin.org>
Change-ID: I7ccd399c22866f34dd20c6bb9d28e77ba4e24c67
*** 159,169 ****
  #define READ    0
  #define WRITE   1
  
  extern  char    *optarg;        /* Value of argument */
  extern  int     optind;         /* Indicator of argument */
- extern  int __xpg4;     /* defined in xpg4.c; 0 if not xpg4-compiled program */
  
  struct  Fspec   {
          char    Ftabs[22];
          char    Fdel;
          unsigned char   Flim;
--- 159,168 ----