Int 21/AX=440Dh/CX=0871h

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MS-DOS 7.0+ - GENERIC IOCTL - GET FIRST CLUSTER

AX = 440Dh
CX = 0871h / 4871h
(category code 08h for FAT12/16, 48h for FAT32; minor code 71h)
BX = filename character set (see #01578)
DS:DX -> ASCIZ pathname for file or directory

Return:
CF set on error AX = error code (01h,02h,etc.) (see #01680 at AH=59h/BX=0000h) CF clear if successful DX:AX = first cluster number

Note: This function finds any file or directory regardless of attributes, except that it will not find volume labels

See Also: AX=440Dh"DOS 3.2+" - AX=440Dh/CX=086Ch - #01352

(Table 01578) Values for character set: 00h Windows ANSI 01h current OEM character set 02h Unicode

Category: DOS Kernel - Int 21h - M

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