Functions for working with FTP servers

The following functions are implemented to work with FTP servers.

ibec_ftp_OpenSession	Creates an FTP session object with specified options.
ibec_ftp_CloseSession	Destroys an FTP session object created with the ibec_ftp_OpenSession function.
ibec_ftp_Open
ibec_ftp_Quit
ibec_ftp_Connect	Establishes connection to the FTP server.
ibec_ftp_Disconnect	Performs a disconnection from the FTP server.
ibec_ftp_ChangeDir	Changes the working directory on the FTP server.
ibec_ftp_MakeDir	Creates a directory on the FTP server.
ibec_ftp_RemoveDir	Deletes a directory on the FTP server.
ibec_ftp_Rename	Renames files/directories on the FTP server.
ibec_ftp_DeleteFile	Deletes a file on the FTP server.
ibec_ftp_FileSize	Returns the size of a file in Bytes.
ibec_ftp_FileDate	Returns the modification timestamp of a file.
ibec_ftp_FileDateTime
ibec_ftp_GetFile	Copies a file from the FTP server to the local computer.
ibec_ftp_PutFile	Copies a local file to the FTP server.
ibec_ftp_LastResponse	Returns the last response of the FTP server.
ibec_ftp_GetProperty	Gets the value of the specified property.
ibec_ftp_SetProperty	Sets the value of the specified property.