Reference for unit 'oldlinux': Procedures and functions

`Access`		Check file access
`Alarm`		Schedule an alarm signal to be delivered
`AssignPipe`		Create a set of pipe file handlers
`AssignStream`		Assign stream for in and output to a program
`Basename`		Return basename of a file
`CFMakeRaw`		Sets flags in Termios record.
`CFSetISpeed`		Set input baud rate in Termios record
`CFSetOSpeed`		Set output baud rate in Termios record
`Chmod`		Change file permission bits
`Chown`		Change owner of file
`Clone`		Clone current process (create new thread)
`CloseDir`		Close directory file descriptor
`CreateShellArgV`		Create an array of null-terminated strings
`Dirname`		Extract directory part from filename
`Dup`		Duplicate a file handle
`Dup2`		Duplicate one filehandle to another
`EpochToLocal`		Convert epoch time to local time
`Execl`		Execute process (using argument list)
`Execle`		Execute process (using argument list, environment)
`Execlp`		Execute process (using argument list, environment; search path)
`Execv`		Execute process
`Execve`		Execute process using environment
`Execvp`		Execute process, search path
`ExitProcess`		Exit the current process
`Fcntl`		File control operations.
`fdClose`		Close file descriptor
`fdFlush`		Flush kernel file buffer
`fdOpen`		Open file and return file descriptor
`fdRead`		Read data from file descriptor
`fdSeek`		Set file pointer position.
`fdTruncate`		Truncate file on certain size.
`fdWrite`		Write data to file descriptor
`FD_Clr`		Clears a filedescriptor in a set
`FD_IsSet`		Check whether a filedescriptor is set
`FD_Set`		Set a filedescriptor in a set
`FD_Zero`		Clear all file descriptors in set
`FExpand`		Expand filename to fully qualified path
`Flock`		Lock a file (advisory lock)
`FNMatch`		Check whether filename matches wildcard specification
`Fork`		Create child process
`FReName`		Rename file
`FSearch`		Search for file in search path.
`FSplit`		Split filename into path, name and extension
`FSStat`		Retrieve filesystem information.
`FStat`		Retrieve information about a file
`GetDate`		Return the system date
`GetDateTime`		Return system date and time
`GetDomainName`		Return current domain name
`GetEGid`		Return effective group ID
`GetEnv`		Return value of environment variable.
`GetEpochTime`		Return the current unix time
`GetEUid`		Return effective user ID
`GetFS`		Return file selector
`GetGid`		Return real group ID
`GetHostName`		Return host name
`GetLocalTimezone`		Return local timzeone information
`GetPid`		Return current process ID
`GetPPid`		Return parent process ID
`GetPriority`		Return process priority
`GetTime`		Return current system time
`GetTimeOfDay`		Return kernel time of day in GMT
`GetTimezoneFile`		Return name of timezone information file
`GetUid`		Return current user ID
`Glob`		Find filenames matching a wildcard pattern
`Globfree`		Free result of Glob call
`IOCtl`		General kernel IOCTL call.
`IOperm`		Set permission on IO ports
`IoPL`		Set I/O privilege level
`IsATTY`		Check if filehandle is a TTY (terminal)
`Kill`		Send a signal to a process
`Link`		Create a hard link to a file
`LocalToEpoch`		Convert local time to epoch (unix) time
`Lstat`		Return information about symbolic link. Do not follow the link
`mkFifo`		Create FIFO (named pipe) in file system
`MMap`		Create memory map of a file
`MUnMap`		Unmap previously mapped memory block
`NanoSleep`		Suspend process for a short time
`Nice`		Set process priority
`Octal`		Convert octal to decimal value
`OpenDir`		Open directory for reading
`Pause`		Wait for a signal
`PClose`		Close file opened with POpen
`POpen`		Pipe file to standard input/output of program
`ReadDir`		Read entry from directory
`ReadLink`		Read destination of symbolic link
`ReadPort`
`ReadPortB`
`ReadPortL`
`ReadPortW`
`ReadTimezoneFile`		Read the timezone file and initialize time routines
`SeekDir`		Seek to position in directory
`Select`		Wait for events on file descriptors
`SelectText`		Wait for event on typed ontyped file.
`SetDate`		Set the current system date.
`SetDateTime`		Set the current system date and time
`SetPriority`		Set process priority
`SetTime`		Set the current system time.
`Shell`		Execute and feed command to system shell
`SigAction`		Install signal handler
`Signal`		Install signal handler (deprecated)
`SigPending`		Return set of currently pending signals
`SigProcMask`		Set list of blocked signals
`SigRaise`		Raise a signal (send to current process)
`SigSuspend`		Set signal mask and suspend process till signal is received
`StringToPPChar`		Split string in list of null-terminated strings
`SymLink`		Create a symbolic link
`SysCall`		Execute system call.
`Sysinfo`		Return kernel system information
`S_ISBLK`		Is file a block device
`S_ISCHR`		Is file a character device
`S_ISDIR`		Is file a directory
`S_ISFIFO`		Is file a FIFO
`S_ISLNK`		Is file a symbolic link
`S_ISREG`		Is file a regular file
`S_ISSOCK`		Is file a unix socket
`TCDrain`		Terminal control: Wait till all data was transmitted
`TCFlow`		Terminal control: Suspend transmission of data
`TCFlush`		Terminal control: Discard data buffer
`TCGetAttr`		Terminal Control: Get terminal attributes
`TCGetPGrp`		Terminal control: Get process group
`TCSendBreak`		Terminal control: Send break
`TCSetAttr`		Terminal control: Set attributes
`TCSetPGrp`		Terminal control: Set process group
`TellDir`		Return current location in a directory
`TTYname`		Terminal control: Get terminal name
`Umask`		Set file creation mask.
`Uname`		Return system name.
`UnLink`		Unlink (i.e. remove) a file.
`Utime`		Set access and modification times of a file (touch).
`WaitPid`		Wait for a process to terminate
`WaitProcess`		Wait for process to terminate.
`WEXITSTATUS`		Extract the exit status from the WaitPID result.
`WIFEXITED`		Check whether the process exited normally
`WIFSIGNALED`		Check whether the process was exited by a signal.
`WIFSTOPPED`		Check whether the process is currently stopped.
`WritePort`
`WritePortB`
`WritePortL`
`WritePortW`
`WSTOPSIG`		Return the exit code from the process.
`WTERMSIG`		Return the signal that caused a process to exit.
`W_EXITCODE`		Construct an exit status based on an return code and signal.
`W_STOPCODE`		Construct an exit status based on a signal.

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