meaning of dangling pointer

1. dangling pointer A reference that doesnt actually lead anywhere. In C and some other languages, a pointer that doesnt actually point at anything valid. Usually this happens because it formerly pointed to something that has moved or disappeared, e. g. a heap-allocated block which has been free and reused. Used as jargon in a generalisation of its technical meaning; for example, a local phone number for a person who has since moved is a dangling pointer. [Jargon File] DANTE A company established by the national research networks in Europe to provide international network services. DAP Fortran ["Efficient High Speed Computing with the Distributed Array Processor", P. M. Flanders et al, pp. 113-127 1977]. [Same as Fortran- Plus?] DAPLEX ["The Functional Data Model and the Data Language DAPLEX", D. W. Shipman, ACM Trans Database Sys, 61:140-173 Mar 1981]. DARE Differential Analyzer REplacement. A family of simulation languages for continuous systems. ["Digital Continuous System Simulation", G. A. Korn et al, P-H 1978]. dark-side hacker A criminal or malicious hacker; a cracker. From George Lucass Darth Vader, "seduced by the dark side of the Force". The implication that hackers form a sort of elite of technological Jedi Knights is intended. Opposite: samurai. [Jargon File]

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