INT 21 - DR-DOS 3.41+ internal - SET ACCESS RIGHTS AND PASSWORD
AX = 4303h
CX = access rights
bits 11-0: access rights (see AX=4302h)
bit 15: new password is to be set
DS:DX -> ASCIZ pathname
[DTA] = new password if CX bit 15 is set (blank-padded to 8 characters)
Return: CF clear if successful
CF set on error
AX = error code
Note:   if the file is already protected, the old password must be added after
the pathname, separated by a ";"
SeeAlso: AX=4454h

See also: 214302

214303 - DR-DOS 3.41+ internal - SET ACCESS RIGHTS AND PASSWORD