DosCopy

#define INCL_DOSFILEMGR

USHORT  rc = DosCopy(SourceName, TargetName, OpMode, 0);

PSZ              SourceName;    /* Source path name */
PSZ              TargetName;    /* Target path name */
USHORT           OpMode;        /* Operation mode */
ULONG            0;             /* Reserved (must be zero) */

USHORT           rc;            /* return code */