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AH = 03h AL = subfunction (00h get, 01h set) DS:(E)DX -> pathname ES:(E)BX -> 10-byte buffer for directory information (see #04005)
Return:
CF clear if successful AL = permitted access level for file (00h-03h) ES:(E)BX -> modified buffer (AL=01h on entry) CF set on error AX = error code (see #01680 at INT 21/AH=59h/BX=0000h)
Notes: BX/DX are used in V86 mode, EBX/EDX in native mode. The file class cannot be changed for files because it affects the encryption method, but directories can have their classes changed
Format of PC-MOS/386 directory information: Offset Size Description (Table 04005) 00h BYTE reserved (0) 01h BYTE file class ('A'-'Z' or 00h) 02h DWORD user ID of file creator 06h WORD file creation time (see #01665 at INT 21/AX=5700h) 08h WORD file creation date (see #01666 at INT 21/AX=5700h)
Category: Other Operating Systems - Int D4h - P
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