#include <stdio.h>
#include <ctype.h>

#if     (defined (STDC_HEADERS) || defined (__GNU_LIBRARY__))
#include <stdlib.h>
#include <string.h>

#else

#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif

#ifdef HAVE_ZLIB
#include <zlib.h>
#endif

extern char *malloc(), *calloc(), *realloc();
extern void free ();

extern void abort (), exit ();

#endif

#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif

#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif

#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif

#ifdef HAVE_UNISTD_H
#if defined (_POSIX_VERSION) && !defined (ultrix)
#define POSIX
#endif

#if (defined (butterfly) || defined (__arm) || \
     (defined (__mips) && defined (_SYSTYPE_SVR3)) || \
     (defined (sequent) && defined (i386)))
#undef POSIX
#endif
#endif /* HAVE_UNISTD_H */

#if !defined (POSIX) && defined (_AIX) && defined (_POSIX_SOURCE)
#define POSIX
#endif

#if defined(_AIX)
#define POSIX_NONBLOCK_BROKEN
#endif


#ifdef HAVE_SIGNAL_H
# ifndef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 2
# include <signal.h>
# undef _POSIX_C_SOURCE
# else
#  include <signal.h>
# endif
#endif

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif

#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif

#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif

#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif

#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif

#ifdef HAVE_NET_ERRNO_H
#include <net/errno.h>
#endif

#ifdef HAVE_CRYPT_H
#include <crypt.h>
#endif

#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#endif

#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif

#ifdef HAVE_ASSERT_H
#include <assert.h>
#else
#define assert(arg)
#endif

#include <sys/stat.h>

#if !defined(__GNUC__)
#define __attribute__(x)	/* nothing */
#define __FUNCTION__	__FILE__
#endif

typedef int socket_t;
# define CLOSE_SOCKET(sock) close(sock)


#ifndef HAVE_RANDOM
void srandom(unsigned int initial_seed);
unsigned int random(void);
#endif

#ifdef __GNUC__

#ifdef HAVE_RANDOM
#ifndef srandom
   void srandom();
#endif
#endif /* HAVE_RANDOM */

#ifndef atoi
   int atoi();
#endif

#ifndef atol
   long atol();
#endif

#ifndef bzero
   void bzero();
#endif

#ifndef crypt
   char *crypt(const char *key, const char *salt);
#endif

#ifndef fclose
   int fclose();
#endif

#ifndef fcntl
   int fcntl();
#endif

#ifndef fflush
   int fflush();
#endif

#ifndef fprintf
  int fprintf();
#endif

#ifndef fread
   size_t fread();
#endif

#ifndef fscanf
   int fscanf();
#endif

#ifndef fseek
   int fseek();
#endif

#ifndef fwrite
   size_t fwrite();
#endif

#ifndef gettimeofday
   int gettimeofday();
#endif

#ifndef perror
   void perror();
#endif

#ifndef qsort
   void qsort();
#endif

#ifndef rewind
   void rewind();
#endif

#ifndef sscanf
   int sscanf();
#endif

#ifndef system
   int system();
#endif

#ifndef time
   time_t time();
#endif

#ifndef unlink
   int unlink();
#endif

#endif /* __GNUC__ */

#include "memory.h"