File and Directory

Functions
	device_exists (device)
	Tests if a device exists. More...
	directory_exists (directory)
	Tests if a directory exists. More...
	file_exists (file)
	Tests if a file exists. More...

Detailed Description

Function Documentation

device_exists

(

device

)

Tests if a device exists.

Parameters

device

Device file to operate on.

Return values

0	if the device exists.
1	in others cases.

directory_exists

(

directory

)

Tests if a directory exists.

Parameters

directory

Directory to operate on.

Return values

0	if the directory exists.
1	in others cases.

file_exists

(

file

)

Tests if a file exists.

Parameters

file	File to operate on.

Return values

0	if the (regular) file exists.
1	in others cases.