usr.sbin/cron/externs.h

   1 /*      $NetBSD: externs.h,v 1.3 1998/07/26 13:27:34 mycroft Exp $      */
   2
   3 /* Copyright 1993,1994 by Paul Vixie
   4  * All rights reserved
   5  *
   6  * Distribute freely, except: don't remove my name from the source or
   7  * documentation (don't take credit for my work), mark your changes (don't
   8  * get me blamed for your possible bugs), don't alter or remove this
   9  * notice.  May be sold if buildable source is provided to buyer.  No
  10  * warrantee of any kind, express or implied, is included with this
  11  * software; use at your own risk, responsibility for damages (if any) to
  12  * anyone resulting from the use of this software rests entirely with the
  13  * user.
  14  *
  15  * Send bug reports, bug fixes, enhancements, requests, flames, etc., and
  16  * I'll try to keep a version up to date.  I can be reached as follows:
  17  * Paul Vixie          <paul@vix.com>          uunet!decwrl!vixie!paul
  18  */
  19
  20 #if defined(POSIX) || defined(ATT)
  21 # include <stdlib.h>
  22 # include <unistd.h>
  23 # include <string.h>
  24 # include <dirent.h>
  25 # define DIR_T  struct dirent
  26 # define WAIT_T int
  27 # define WAIT_IS_INT 1
  28 # define TZONE(tm) tzname[(tm).tm_isdst]
  29 #endif
  30
  31 #if defined(UNIXPC)
  32 # undef WAIT_T
  33 # undef WAIT_IS_INT
  34 # define WAIT_T union wait
  35 #endif
  36
  37 #if defined(POSIX)
  38 # define SIG_T  sig_t
  39 # define TIME_T time_t
  40 # define PID_T pid_t
  41 #endif
  42
  43 #if defined(ATT)
  44 # define SIG_T  void
  45 # define TIME_T long
  46 # define PID_T int
  47 #endif
  48
  49 #if !defined(POSIX) && !defined(ATT)
  50 /* classic BSD */
  51 extern  time_t          time();
  52 extern  unsigned        sleep();
  53 extern  struct tm       *localtime();
  54 extern  struct passwd   *getpwnam();
  55 extern  int             errno;
  56 extern  void            perror(), exit(), free();
  57 extern  char            *getenv(), *strcpy(), *strchr(), *strtok();
  58 extern  void            *malloc(), *realloc();
  59 # define SIG_T  void
  60 # define TIME_T long
  61 # define PID_T int
  62 # define WAIT_T union wait
  63 # define DIR_T  struct direct
  64 # include <sys/dir.h>
  65 # define TZONE(tm) (tm).tm_zone
  66 #endif
  67
  68 /* getopt() isn't part of POSIX.  some systems define it in <stdlib.h> anyway.
  69  * of those that do, some complain that our definition is different and some
  70  * do not.  to add to the misery and confusion, some systems define getopt()
  71  * in ways that we cannot predict or comprehend, yet do not define the adjunct
  72  * external variables needed for the interface.
  73  */
  74 #if (!defined(BSD) || (BSD < 198911)) && !defined(ATT) && !defined(UNICOS)
  75 int     getopt(int, char * const *, const char *);
  76 #endif
  77
  78 #if (!defined(BSD) || (BSD < 199103))
  79 extern  char *optarg;
  80 extern  int optind, opterr, optopt;
  81 #endif
  82
  83 #if WAIT_IS_INT
  84 # ifndef WEXITSTATUS
  85 #  define WEXITSTATUS(x) (((x) >> 8) & 0xff)
  86 # endif
  87 # ifndef WTERMSIG
  88 #  define WTERMSIG(x)   ((x) & 0x7f)
  89 # endif
  90 # ifndef WCOREDUMP
  91 #  define WCOREDUMP(x)  ((x) & 0x80)
  92 # endif
  93 #else /*WAIT_IS_INT*/
  94 # ifndef WEXITSTATUS
  95 #  define WEXITSTATUS(x) ((x).w_retcode)
  96 # endif
  97 # ifndef WTERMSIG
  98 #  define WTERMSIG(x)   ((x).w_termsig)
  99 # endif
 100 # ifndef WCOREDUMP
 101 #  define WCOREDUMP(x)  ((x).w_coredump)
 102 # endif
 103 #endif /*WAIT_IS_INT*/
 104
 105 #ifndef WIFSIGNALED
 106 #define WIFSIGNALED(x)  (WTERMSIG(x) != 0)
 107 #endif
 108 #ifndef WIFEXITED
 109 #define WIFEXITED(x)    (WTERMSIG(x) == 0)
 110 #endif
 111
 112 #ifdef NEED_STRCASECMP
 113 extern  int             strcasecmp(char *, char *);
 114 #endif
 115
 116 #ifdef NEED_STRDUP
 117 extern  char            *strdup(char *);
 118 #endif
 119
 120 #ifdef NEED_STRERROR
 121 extern  char            *strerror(int);
 122 #endif
 123
 124 #ifdef NEED_FLOCK
 125 extern  int             flock(int, int);
 126 # define LOCK_SH 1
 127 # define LOCK_EX 2
 128 # define LOCK_NB 4
 129 # define LOCK_UN 8
 130 #endif
 131
 132 #ifdef NEED_SETSID
 133 extern  int             setsid(void);
 134 #endif
 135
 136 #ifdef NEED_GETDTABLESIZE
 137 extern  int             getdtablesize(void);
 138 #endif
 139
 140 #ifdef NEED_SETENV
 141 extern  int             setenv(char *, char *, int);
 142 #endif
 143
 144 #ifdef NEED_VFORK
 145 extern  PID_T           vfork(void);
 146 #endif