MPE/iX Quick Reference Guide (32650-90881)

Chapter 3 83
Intrinsics Descriptions
Descriptions of the Intrinsics Available in MPE/iX
FDELETE( filenum , lrecnum );
FDEVICECONTROL
NM and CM callable.
Provides control operations to a printer, terminal, or a spooled device file and is used to:
• Download character sets, forms, and internal or control tables used in printing.
• Control the page size, pen positioning, form and use of character sets, the number of
copies to be printed, and all other printing environment characteristics.
• Perform control operations on a terminal, printer, or spooled device file.
I16V UDS I16V I16V U16V U16V U16
FDEVICECONTROL( filenum,buffer,length,controlcode,parm1,parm2,fserrorcode );
FERRMSG
NM and CM callable.
Returns a message corresponding to an FCHECK error number and enables error messages
to be displayed from a program.
I16 CA I16
FERRMSG( fserrorcode,msgbuffer,msglength );
FFILEINFO
NM and CM callable.
Returns information about a file.
I16V I16V *
FFILEINFO( filenum [, itemnum,item ] [...]);
Up to five itemnum/item pairs can be specified.
FFINDBYKEY
NM and CM callable.
Positions the record pointer at the beginning of the first record matching the key value
comparison. For KSAM files only.
I16V CA I16V I16V I16V
FFINDBYKEY( filenum,value,location,length,relop );
FFINDN
NM and CM callable.
Positions the logical record pointer to the relative record number according to the key
sequence. For KSAM files only.
I16V DV I16V