TAL Reference Manual
Glossary
Glossary—526371.001
Glossary-7
file system.
•
File ID
file system.  A set of operating system procedures and data structures that allows 
communication between a process and a file, which can be a disk file, a device, or a 
process.
filler bit.  A declaration that allocates a bit place holder for data or unused space in a 
structure.
filler byte.  A declaration that allocates a byte place holder for data or unused space in a 
structure.
FIXED.  A data type that requires a quadrupleword of storage and that can represent a 64-
bit fixed-point number.
FOR statement.  A statement that executes a pretest loop n times.
formal parameter.  A specification, within a procedure or subprocedure, of an argument 
that is provided by the calling procedure or subprocedure.
FORWARD procedure declaration.  A procedure declaration that includes the FORWARD 
keyword but no procedure body; a declaration that allows you to call a procedure 
before you declare the procedure body.
fpoint.  An integer in the range –19 through 19 that specifies the implied decimal point 
position in a FIXED value. A positive fpoint denotes the number of decimal places to 
the right of the decimal point. A negative fpoint denotes the number of integer places to 
the left of the decimal point; that is, the number of integer digits to replace with zeros 
leftward from the decimal point.
function.  A procedure or subprocedure that returns a value to the calling procedure or 
subprocedure.
global data.  Data declarations that appear before the first procedure declaration; identifiers 
that are accessible to all compilation units in a program, unless the data declarations 
appear in a BLOCK declaration that includes the PRIVATE keyword.
GOTO statement.  A statement that unconditionally branches to a label within a procedure 
or subprocedure.
group comparison expression.  An expression that compares a variable with another 
variable or with a constant.
high PIN. A process identification number (PIN) that is greater than 255. Contrast with low 
PIN
home terminal.  Usually the terminal from which a process was started.
HP NonStop Series system. See TNS










