Topic       : TOS - The Operating System
Author      : 
Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
Nodes       : 3010
Index Size  : 93790
HCP-Version : 5
Compiled on : Atari
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View Ref-File11.5.15.4.7  ddev_datime                                           TOS

See dev_datime. The MX_DDEV can simply insert a NULL-pointer here, 
then the DOS_XFS performs the standard procedure. The DOS_XFS converts 
Fcntl(FUTIME, ...) to Fdatime.

Parameters:

    a0  =  FD *file 
    a1  =  int d[2] 
    d0  =  int setflag 
 -> d0  =  long errcode