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/* Copyright 1993,1994 by Paul Vixie
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* All rights reserved
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*
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* Distribute freely, except: don't remove my name from the source or
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* documentation (don't take credit for my work), mark your changes (don't
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* get me blamed for your possible bugs), don't alter or remove this
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* notice. May be sold if buildable source is provided to buyer. No
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* warrantee of any kind, express or implied, is included with this
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* software; use at your own risk, responsibility for damages (if any) to
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* anyone resulting from the use of this software rests entirely with the
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* user.
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*
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* Send bug reports, bug fixes, enhancements, requests, flames, etc., and
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* I'll try to keep a version up to date. I can be reached as follows:
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* Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul
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*/
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#if defined(POSIX) || defined(ATT)
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# include <stdlib.h>
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# include <unistd.h>
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# include <string.h>
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# include <dirent.h>
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# include <errno.h>
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# define DIR_T struct dirent
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# define WAIT_T int
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# define WAIT_IS_INT 1
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extern char *tzname[2];
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# define TZONE(tm) tzname[(tm).tm_isdst]
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#endif
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#if defined(UNIXPC)
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# undef WAIT_T
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# undef WAIT_IS_INT
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# define WAIT_T union wait
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#endif
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#if defined(POSIX)
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# define SIG_T sig_t
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# define TIME_T time_t
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# define PID_T pid_t
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#endif
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#if defined(ATT)
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# define SIG_T void
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# define TIME_T long
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# define PID_T int
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#endif
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#if !defined(POSIX) && !defined(ATT)
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/* classic BSD */
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extern time_t time();
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extern unsigned sleep();
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extern struct tm *localtime();
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extern struct passwd *getpwnam();
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extern int errno;
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extern void perror(), exit(), free();
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extern char *getenv(), *strcpy(), *strchr(), *strtok();
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extern void *malloc(), *realloc();
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# define SIG_T void
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# define TIME_T long
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# define PID_T int
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# define WAIT_T union wait
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# define DIR_T struct direct
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# include <sys/dir.h>
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# define TZONE(tm) (tm).tm_zone
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#endif
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/* getopt() isn't part of POSIX. some systems define it in <stdlib.h> anyway.
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* of those that do, some complain that our definition is different and some
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* do not. to add to the misery and confusion, some systems define getopt()
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* in ways that we cannot predict or comprehend, yet do not define the adjunct
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* external variables needed for the interface.
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*/
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#if (!defined(BSD) || (BSD < 198911)) && !defined(ATT) && !defined(UNICOS)
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int getopt __P((int, char * const *, const char *));
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#endif
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#if (!defined(BSD) || (BSD < 199103))
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extern char *optarg;
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extern int optind, opterr, optopt;
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#endif
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#if WAIT_IS_INT
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# ifndef WEXITSTATUS
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# define WEXITSTATUS(x) (((x) >> 8) & 0xff)
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# endif
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# ifndef WTERMSIG
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# define WTERMSIG(x) ((x) & 0x7f)
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# endif
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# ifndef WCOREDUMP
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# define WCOREDUMP(x) ((x) & 0x80)
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# endif
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#else /*WAIT_IS_INT*/
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# ifndef WEXITSTATUS
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# define WEXITSTATUS(x) ((x).w_retcode)
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# endif
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# ifndef WTERMSIG
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# define WTERMSIG(x) ((x).w_termsig)
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# endif
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# ifndef WCOREDUMP
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# define WCOREDUMP(x) ((x).w_coredump)
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# endif
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#endif /*WAIT_IS_INT*/
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(x) (WTERMSIG(x) != 0)
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#endif
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#ifndef WIFEXITED
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#define WIFEXITED(x) (WTERMSIG(x) == 0)
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#endif
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#ifdef NEED_STRCASECMP
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extern int strcasecmp __P((char *, char *));
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#endif
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#ifdef NEED_STRDUP
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extern char *strdup __P((char *));
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#endif
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#ifdef NEED_STRERROR
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extern char *strerror __P((int));
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#endif
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#ifdef NEED_FLOCK
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extern int flock __P((int, int));
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# define LOCK_SH 1
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# define LOCK_EX 2
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# define LOCK_NB 4
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# define LOCK_UN 8
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#endif
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#ifdef NEED_SETSID
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extern int setsid __P((void));
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#endif
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#ifdef NEED_GETDTABLESIZE
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extern int getdtablesize __P((void));
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#endif
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#ifdef NEED_SETENV
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extern int setenv __P((char *, char *, int));
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#endif
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#ifdef NEED_VFORK
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extern PID_T vfork __P((void));
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#endif
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