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