TAL Reference Manual

Glossary
Glossary—526371.001
Glossary-3
CLUDECS.
CLUDECS. A file, provided by the CRE, that contains external declarations for CLULIB
functions. See also CLULIB
CLULIB. A library file, provided by the CRE, that contains Saved Messages Utility (SMU)
functions for manipulating saved startup, ASSIGN, and PARAM messages.
code segment. A segment that contains program instructions to be executed, plus related
information. Applications can read code segments but cannot write to them.
code space. A part of virtual memory that is reserved for user code, user library code,
system code, and system library code. The current code space of your process
consists of an optional library code space and a user code space.
CODE statement. A statement that specifies machine codes or constants for inclusion in
the object code.
comment. A note that you insert into the source code to describe a construct or operation
in your source code. The compiler ignores comments during compilation. A comment
must either:
•
Begin with two hyphens (--) and terminate with the end of the line
•
Begin with an exclamation point (!) and terminate with either another exclamation
point or the end of the line
Common Run-Time Environment. See CRE
compilation unit. A source file plus source code that is read in from other source files by
SOURCE directives, which together compose a single input to the compiler.
compiler directive. A compiler option that lets you control compilation, compiler listings,
and object code generation. For example, compiler directives let you compile parts of
the source file conditionally or suppress parts of a compiler listing.
compiler listing. The listing produced by the compiler after successful compilation. A
compiler listing can include a header, banner, warning and error messages,
source listing, maps, cross-references, and compilation statistics.
completion code. A value used to return information about a process to its caller when the
process completes execution. For example, the compiler returns to the TACL product a
completion code indicating the status of the compilation.
complex instruction set computing. See CISC
condition. An operand that represents a true or false state.
condition code. A status returned by expressions and by some file system procedure calls
as follows: