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Diff for /src/include/unistd.h between version 1.7 and 1.8

version 1.7, 1996/08/22 20:36:59 version 1.8, 1996/08/25 20:02:43
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 void     usleep __P((u_int));  void     usleep __P((u_int));
 void    *valloc __P((size_t));                  /* obsoleted by malloc() */  void    *valloc __P((size_t));                  /* obsoleted by malloc() */
 pid_t    vfork __P((void));  pid_t    vfork __P((void));
   int      issetugid __P((void));
   
 int      getopt __P((int, char * const *, const char *));  int      getopt __P((int, char * const *, const char *));
 extern   char *optarg;                  /* getopt(3) external variables */  extern   char *optarg;                  /* getopt(3) external variables */
Legend:
Removed from v.1.7  
changed lines
  Added in v.1.8