SYS_GETDVIW_fcntl man page on DigitalUNIX

SYS_GETDVIW_fcntl man page on DigitalUNIX

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SYS$GETDVI (OpenVMS)					  SYS$GETDVI (OpenVMS)

NAME
       fcntl - control open file descriptors

       ioctl - control devices

       SYS$GETDVI - Get device and channel information

       SYS$GETDVIW - Get device and channel information and wait

EXPLAINATION
       The  Digital  UNIX  fcntl and ioctl system calls provides functionality
       similar to the OpenVMS SYS$GETDVI system	 service.   The	 fcntl	system
       call  can  return the status flags for the descriptor, the asynchronous
       I/O owner for a descriptor, or any locks on  a  file  descriptor.   The
       ioctl system call can return device specific information.  Requests for
       ioctl system calls are unique to the device in  question.   Tty	device
       information is documented in the tty(7) man page.  Socket device infor‐
       mation is in the networking(7) manual page.  The fcntl and ioctl system
       calls complete synchronously.

RELATED INFORMATION
       Digital UNIX Functions:

	   fcntl(2), ioctl(2), tty(7), networking(7) delim off

							  SYS$GETDVI (OpenVMS)

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