*COMDECK  IOLIST
*     SUMMARY OF THE I-O INTERFACE ROUTINES ON THE CDCS PL. 
* 
*         NOTE.  WHEN LOC(X) IS SPECIFIED AS A PARAMETER, IF X IS A 
*                BASED ARRAY THEN P<X> IS PREFERRED TO LOC(X).
* 
* DB$DRRD 
*     STAT = DB$DRRD;        COMCRDH - READ DIRECTIVE FILE
* DB$IO 
*     DB$IOBS(LOC(FET));     BKSPRU  - BACKSPACE ONE PRU
*     DB$IORD(LOC(FET),LOC(WSA),LENGTH);
*                            READSKP - READ INTO WSA
*     DB$IORW(LOC(FET));     REWIND  - MODIFIES FET POINTERS
*     DB$IOWR(LOC(FET),LOC(WSA),LENGTH);
*                            REWRITER- WRITE FROM WSA 
* DB$IORE 
*     DB$IORE(LOC(FET),LOC(WSA),LENGTH);
*                            READ    - READ INTO WSA
* DB$RDM
*     DB$RDM(LOC(FET));      READ    - SPECIFIED BY FET 
*     DB$RWND(LOC(FET));     REWIND  - DOES NOT MODIFY FIRST AND LIMIT
*     DB$RWRT(LOC(FET));     REWRITE - SPECIFIED BY FET 
*     DB$RWTM(LOC(FET));     REWRITER- SPECIFIED BY FET 
* DB$RDWW 
*     STAT = DB$RDWW(LOC(FET),LOC(WSA),LENGTH); 
*                            COMCRDW - READ TO WSA THROUGH BUFFER 
* DB$RNRW 
*     DB$RNRW(LOC(FET),LOC(WSA),LENGTH,PRU);
*                            REWRITER- RANDOM WRITE FROM WSA TO PRU 
* DB$RWTW 
*     DB$RWTW(LOC(FET),LOC(WSA),LENGTH);
*                            COMCWTW - MODIFIED FOR WRITING LOG FILES 
* DB$WAIO 
*     DB$WCLS(FIT,ERREXIT);  CLOSEM  - CLOSE WORD ADDRESSABLE FILE
*     DB$WGET(...);          GET
*     DB$WOPN(...);          OPENM
*     DB$WPUT(...);          PUT
* DB$WRRM 
*     DB$WRRM(LOC(FET));     WRITER  - SPECIFIED BY FET 
*     DB$WRTM(LOC(FET));     WRITE   - SPECIFIED BY FET 
*     DB$WRTR(FET);          WRITER  - SPECIFIED BY FET, PAUSE FIRST
* DB$WRTZ 
*     DB$WRTZ(FET,RECORD,LENGTH);    WRITE Z TYPE RECORD TO OUTPUT
*                            COMCWTO
