A label in a programming language is a sequence of characters that identifies a location within source code. In most languages labels take the form of an identifier, often followed by a punctuation character (e.g., a colon). In many high level programming languages the purpose of a label is to act as the destination of a GOTO statement.[1][2] In assembly language labels can be the destination of a e.g. JMP.[3] Some languages, such as Fortran and BASIC, support numeric labels.[4] Labels are also used to identify an entry point into a compiled sequence of statements (e.g., during debugging).
See also
References
- ^ C Standard section 6.8.6.1 The goto statement
- ^ "GOTO Statement QuickSCREEN". Microsoft. 1988. http://www.qbasicnews.com/qboho/qckgoto.shtml. Retrieved 2008-07-03.
- ^ O. Lawlor. "nasm x86 Assembly". http://www.cs.uaf.edu/2007/fall/cs301/support/x86/index.html. Retrieved 2008-07-03.
- ^ "Differences Between GW-BASIC and QBasic". 2003-05-12. http://support.microsoft.com/kb/73084. Retrieved 2008-06-28.
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