Format of NetWare "Allocate Permanent Directory Handle" request buffer:
Offset	Size	Description	)
 00h	WORD	length of following data (max 103h)
 02h	BYTE	12h (subfunction "Allocate Permanent Directory Handle")
 03h	BYTE	directory handle
 04h	BYTE	drive ('A'-'Z')
 05h	BYTE	length of directory path
 06h  N BYTEs	directory path
SeeAlso: #01870,#01871,#02118