| N |
|
Name block fields
|
|
when calling OPEN
|
|
NOACCURACY_SENSITIVE
|
|
Nonstatic type
|
|
restriction in modules
|
|
/NOOPTIMIZE qualifier
|
|
effect on debugging
|
| O |
|
Object file
|
|
Object module library
|
|
symbol table in
|
|
/OBJECT qualifier
|
|
OPEN procedure
|
|
default for VMS files
|
|
related to RMS data structures
|
|
with user-action parameters
|
|
OpenVMS programming
|
|
attributes used during
|
|
Operation, optimization of
|
|
Operator
|
|
type cast
|
|
use with CDD/Repository
|
|
use with debugger
|
|
Optimal performance
|
|
compiling for
|
|
Optimization #1
|
|
Optimization #2
|
|
code scheduling
|
|
definition of
|
|
effect on debugging
|
|
kinds of
|
|
loop unrolling
|
|
reducing errors through
|
|
split lifetime analysis
|
|
strength reduction
|
|
OPTIMIZE attribute
|
|
/OPTIMIZE qualifier
|
|
/OPTIONS qualifier
|
|
with LINK command
|
|
OTHERWISE reserved word
|
|
initializing an array (example)
|
|
Overflow
|
|
run-time checking of
|
|
Overflow checking
|
|
effect on efficiency
|
|
Overview of record layout
|
| P |
|
PACKED ARRAY OF CHAR type
|
|
as function result type
|
|
Parameter
|
|
ASTADR parameter
|
|
ASTPRM parameter
|
|
data structure
|
|
default value for
|
|
descriptors
|
|
for condition handler
|
|
of LIB$FIND_FILE
|
|
of SYS$QIO, SYS$QIOW, and SYS$FAO
|
|
passing to run-time library routines
|
|
passing to system services
|
|
using foreign mechanisms on actual parameters
|
|
Parameter list
|
|
of arbitrary length
|
|
Parameter-passing semantics
|
|
Parentheses
|
|
effect on efficiency
|
|
PAS$FAB function
|
|
PAS$LINELIMIT logical name
|
|
PAS$MARK2 function
|
|
PAS$RAB function
|
|
PAS$RELEASE2 function
|
|
PASCAL command
|
|
examples of
|
|
qualifiers with
|
|
specifying text libraries in
|
|
syntax of
|
|
PASDEF.PAS definition file
|
|
Passing mechanisms
|
|
by descriptor
|
|
by immediate value
|
|
by reference
|
|
foreign
|
|
summary of
|
|
type translations
|
|
Passing semantics
|
|
summary of
|
|
PC
|
|
saved by routine call
|
|
Performance
|
|
optimal
|
|
Pipelining
|
|
software
|
|
Placeholder processing
|
|
/PLATFORMS qualifier
|
|
Pointer
|
|
run-time checking of
|
|
Pointer types
|
|
64-bit
|
|
POS attribute
|
|
with data structure parameter
|
|
Predeclared function
|
|
optimization of
|
|
Predeclared routines
|
|
I/O processing #1
|
|
I/O processing #2
|
|
Procedure calling standard
|
|
Processor selection
|
|
Processor tuning
|
|
Program
|
|
compiling
|
|
linking
|
|
modularity of #1
|
|
modularity of #2
|
|
See also Separate compilation
|
|
Program counter
|
|
See PC
|
|
Program exit status
|
|
definition of
|
|
Propagation
|
|
value
|
| Q |
|
QUAD on pointer types
|
|
Qualifiers
|
|
/ALIGN
|
|
/ANALYSIS_DATA
|
|
/ARCHITECTURE
|
|
/ASSUME
|
|
/BRIEF
|
|
/CHECK
|
|
/CONSTANT
|
|
/CROSS_REFERENCE
|
|
/DEBUG #1
|
|
/DEBUG #2
|
|
/DESIGN
|
|
/DIAGNOSTICS
|
|
/ENUMERATION_SIZE
|
|
/ENVIRONMENT
|
|
/ERROR_LIMIT
|
|
/EXECUTABLE
|
|
/FLOAT
|
|
/FULL
|
|
/GRANULARITY
|
|
/INCLUDE #1
|
|
/INCLUDE #2
|
|
/LIBRARY #1
|
|
/LIBRARY #2
|
|
/LIST
|
|
/MACHINE_CODE
|
|
/MAP
|
|
/MATH_LIBRARY
|
|
/MULTILANGUAGE
|
|
/OBJECT
|
|
/OPTIMIZE
|
|
/OPTIONS
|
|
/PLATFORMS
|
|
/SHAREABLE
|
|
/SHOW
|
|
/STANDARD
|
|
/SYNCHRONOUS_EXCEPTIONS
|
|
/TERMINAL
|
|
/TIE
|
|
/TRACEBACK
|
|
/USAGE
|
|
/VERSION
|
|
/WARNINGS
|
|
with LINK command
|
|
with PASCAL command
|
|
with RUN command
|
|
/ZERO_HEAP
|
| R |
|
RAB
|
|
access to
|
|
fields when calling OPEN
|
|
passed as parameter by run-time library
|
|
used to write user-action functions
|
|
Read sharing
|
|
READONLY attribute
|
|
on pointer variables
|
|
with system services
|
|
Record
|
|
efficient use of nonstatic fields
|
|
locking
|
|
variant (example)
|
|
Record access block
|
|
See RAB
|
|
Record file address
|
|
See RFA
|
|
Record layout
|
|
overview
|
|
Record Management Services
|
|
See RMS
|
|
%REF specifier on actual parameters
|
|
Register
|
|
assignment of variables to
|
|
contents saved by routine call
|
|
effects of optimization
|
|
Relative file
|
|
locked component in
|
|
REPEAT statement
|
|
effect on efficiency
|
|
Resignal
|
|
definition of
|
|
Resultant_Filespec parameter of LIB$FIND_FILE
|
|
Return value
|
|
function
|
|
REVERT procedure
|
|
RFA
|
|
random access by
|
|
RMS
|
|
file sharing capability
|
|
locking components with
|
|
used to perform I/O tasks
|
|
Routine
|
|
I/O processing #1
|
|
I/O processing #2
|
|
requirements for linking modules
|
|
using foreign mechanisms on actual parameters
|
|
Routine activation
|
|
definition of
|
|
RTL
|
|
opening and closing a file
|
|
symbol definitions for
|
|
using LIST attribute with
|
|
RUN command
|
|
examples of
|
|
qualifier for
|
|
syntax of
|
|
Run-time error
|
|
detected by STATUS or STATUSV
|
|
messages
|
|
Run-time library
|
|
See RTL
|
