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Pointer (computer programming)

I do consider assignment statements and pointer variables to be among computer science's "most valuable treasures."

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Overview

History

Formal description

Architectural roots

Uses

Typed pointers and casting

Making pointers safer

Support in various programming languages

Advanced semantic analysis

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Map overview Semantic statistics

Pointer (computer programming)

Nodes196
Edges195
Triples12
Avg. degree1.99
Density0.010204
Components1

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Important terminology Word statistics

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Important terminology

pointer pointers memory address type used data also value reference languages arithmetic function example may point array programming addresses using

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Intel x86 architectureinstance ofin certain platforms0.80text
be called a segmentation faultinstance ofin certain platforms0.80text
memory segmentation or paging is employed to use different parts of the memory at different timesinstance ofa more complex scheme0.80text
file offsetsinstance ofThere are analogous concepts0.80text
array indicesinstance ofThere are analogous concepts0.80text
and remote object references that serve some of the same purposes as addresses for other types of objectsinstance ofThere are analogous concepts0.80text
PL/Iinstance ofUsesPointers are directly supported without restrictions in languages0.80text
Cinstance ofUsesPointers are directly supported without restrictions in languages0.80text
vector define an iterator typeinstance ofcollections0.80text
// with begininstance ofcollections0.80text
the end of a list of unknown length or the failure to perform some actioninstance ofNull pointers are routinely used to represent conditions0.80text
EXEC CICS or EXEC SQL statements.Extended versions of COBOL also provide pointer variables declared withUSAGEISPOINTERclausesinstance ofbut their contents are implicitly accessed indirectly through theirLINKAGEpointers.Memory space for each pointed-to data object is typically allocated dynamically using external…0.80text

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