_get_dev_info

Syntax

#include <io.h>

short _get_dev_info(int arg);

Description

Given drive_number (A: = 0, B: = 1, etc.) or a file handle in arg, this function returns the device info word which is returned by DOS IOCTL function 0 (Int 21h/AX=4400h). In case of error, -1 is returned and errno is set.

Portability

not ANSI, not POSIX

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