text: #ifndef _FTP_H_INCLUDE
  #define _FTP_H_INCLUDE
  
  #include <sys/types.h>
  #include <sys/cdefs.h>
  #include <stdio.h>
  #include <time.h>
  
  /*
   * ----------------------------------------------------------------------------
   * "THE BEER-WARE LICENSE" (Revision 42):
   * <phk@login.dknet.dk> wrote this file.  As long as you retain this notice you
   * can do whatever you want with this stuff. If we meet some day, and you think
   * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
   * ----------------------------------------------------------------------------
   *
   * Major Changelog:
   *
   * Jordan K. Hubbard
   * 17 Jan 1996
   *
   * Turned inside out. Now returns xfers as new file ids, not as a special
   * `state' of FTP_t
   *
   * $FreeBSD: src/lib/libftpio/ftpio.h,v 1.14.2.1 1999/08/29 14:56:57 peter Exp $
   */
  
  /* Internal housekeeping data structure for FTP sessions */
  typedef struct {
      enum { init, isopen, quit } con_state;
      int		fd_ctrl;
      int		addrtype;
      char	*host;
      char	*file;
      int		error;
      int		is_binary;
      int		is_passive;
      int		is_verbose;
  } *FTP_t;
  
  /* Structure we use to match FTP error codes with readable strings */
  struct ftperr {
    const int	num;
    const char	*string;
  };
  
  __BEGIN_DECLS
  extern struct	ftperr ftpErrList[];
  extern int	const ftpErrListLength;
  
  /* Exported routines - deal only with FILE* type */
  extern FILE	*ftpLogin(char *host, char *user, char *passwd,	int port, int verbose, int *retcode);
  extern int	ftpChdir(FILE *fp, char *dir);
  extern int	ftpErrno(FILE *fp);
  extern off_t	ftpGetSize(FILE *fp, char *file);
  extern FILE	*ftpGet(FILE *fp, char *file, off_t *seekto);
  extern FILE	*ftpPut(FILE *fp, char *file);
  extern int	ftpAscii(FILE *fp);
  extern int	ftpBinary(FILE *fp);
  extern int	ftpPassive(FILE *fp, int status);
  extern void	ftpVerbose(FILE *fp, int status);
  extern FILE	*ftpGetURL(char	*url, char *user, char *passwd,	int *retcode);
  extern FILE	*ftpPutURL(char	*url, char *user, char *passwd,	int *retcode);
  extern time_t	ftpGetModtime(FILE *fp, char *s);
  extern const	char *ftpErrString(int error);
  extern FILE	*ftpLoginAf(char *host, int af, char *user, char *passwd,	int port, int verbose, int *retcode);
  extern FILE	*ftpGetURLAf(char *url, int af, char *user, char *passwd, int *retcode);
  extern FILE	*ftpPutURLAf(char *url, int af, char *user, char *passwd, int *retcode);
  __END_DECLS
  
  #endif	/* _FTP_H_INCLUDE */
  