File Attribute Constants
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File Attribute Constants

#include <io.h>

These constants specify the current attributes of the file or directory specified by the function.

The attributes are represented by the following manifest constants:

_A_ARCH

Archive. Set whenever the file is changed, and cleared by the BACKUP command. Value: 0x20

_A_HIDDEN

Hidden file. Not normally seen with the DIR command, unless the /AH option is used. Returns information about normal files as well as files with this attribute. Value: 0x02

_A_NORMAL

Normal. File can be read or written to without restriction. Value: 0x00

_A_RDONLY

Read-only. File cannot be opened for writing, and a file with the same name cannot be created. Value: 0x01

_A_SUBDIR

Subdirectory. Value: 0x10

_A_SYSTEM

System file. Not normally seen with the DIR command, unless the /AS option is used. Value: 0x04

Multiple constants can be combined with the OR operator (|).

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