Table of Contents
Note: This API call is for DOS personality only. Use Family API for portability.
Int 21H, AH=43H, AL=00H
2 and higher
GET FILE ATTRIBUTES
AX = 4300h DS:DX -> ASCIZ filename
CF clear if successful
CX = file attributes (see #01420) AX = CX (DR DOS 5.0) CF set on error AX = error code (01h,02h,03h,05h) (see #01680 at AH=59h)
under the FlashTek X-32 DOS extender, the filename pointer is in DS:EDX under DR DOS 3.41 and 5.0, attempts to change the subdirectory bit are simply ignored without an error
BUG: Windows for Workgroups returns error code 05h (access denied) instead
of error code 02h (file not found) when attempting to get the attributes of a nonexistent file. This causes open() with O_CREAT and fopen() with the "w" mode to fail in Borland C++.
AX=4301h,AX=4310h,AX=7143h,AH=B6h,INT 2F/AX=110Fh,INT 60/DI=0517h
Text based on Ralf Brown Interrupt List Release 61