FtpGet(3) Library Functions Manual FtpGet(3)NAME
FtpGet - Retreive a file from the remote system.
SYNOPSIS
#include <ftplib.h>
int FtpGet(const char *output, const char *path,
char mode, netbuf *nControl);
PARAMETERS
output Name of a local file to receive the contents of the remote file.
path Name of remote file to be retrieved.
mode Specifies the transfer mode as FTPLIB_ASCII or FTPLIB_IMAGE.
nControl
A handle returned by FtpConnect().
DESCRIPTION
FtpGet() copies the contents of a remote file to a local file.
RETURN VALUE
Returns 1 if successful or 0 on error.
FTPlib 06 November 1997 FtpGet(3)
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FtpOptions(3) Library Functions Manual FtpOptions(3)NAME
FtpOptions - Set connection options.
SYNOPSIS
#include <ftplib.h>
int FtpOptions(int opt, long val, netbuf *nControl);
PARAMETERS
opt Specifies the option to change. Valid options are FTPLIB_CONNMODE, FTPLIB_CALLBACK, FTPLIB_IDLETIME, FTPLIB_CALLBACKARG, and
FTPLIB_CALLBACKBYTES.
val Specifies the new value for the option. The value may need to by cast to a long.
nControl
A handle returned by FtpConnect()or FtpAccess().
DESCRIPTION
FtpOptions() changes the options for a connection handle. A data connection inherits the options assigned to the control connection it is
created from. Callbacks are only called on file data connections.
The following options and values are recognized.OptionValueFTPLIB_CONNMODE Specifies the connection mode. Either FTPLIB_PASSIVE or
FTPLIB_PORT.FTPLIB_CALLBACK Specifies the address of a user callback routine.FTPLIB_IDLETIME Specifies the socket idle time in milliseconds
that triggers calling the user's callback routine.FTPLIB_CALLBACKARG Specifies an argument to pass to the user's callback rou-
tine.FTPLIB_CALLBACKBYTES Specifies the number of bytes to transfer between calls to the user's callback routine.
The connection mode tells ftplib if it should use PASV or PORT to establish data connections. The default is specified as a build option.
The user's callback routine is specified as:.sp typedef int (*FtpCallback)(netbuf *nControl, int xfered,
void *arg); nControlis the data connection in use. xferedspecifies how many bytes of data have been transferred on the connec-
tion.argis the value specified with option FTPLIB_CALLBACKARG.
The user can request to be called back on either of two events.
If the user wishes to be called when the data socket is idle for some period of time, use FTPLIB_IDLETIME and pass the time in mil-
liseconds.
If the user wishes to be called when a certain amount of data has been transferred, use FTPLIB_CALLBACKBYTES and pass the minimum
number of bytes to transfer between callbacks. When using this option, ftplib keeps track of the number of bytes transferred and
calls the user once the specified number of bytes or more has been transferred. It then resets the count to 0 and starts again.
If the user wishes to continue the transfer, the callback routine should return true (non-zero). It can abort the transfer by return
zero.
RETURN VALUE
Returns 1 if a valid option was specified and the value is legal. Otherwise, returns 0.
FTPlib 24 June 1998 FtpOptions(3)