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Source-to-Source Refactoring and Elimination of Global Variables in C Programs
Journal of Software Engineering and Applications
A global variable in C/C++ is one that is declared outside a function, and whose scope extends the lifetime of the entire program. Global variables cause problems for program dependability, maintainability, extensibility, verification, and thread-safety. However, global variables can also make coding more convenient and improve program performance. We have found the use of global variables to remain unabated and extensive in real-world software. In this paper we present a source-to-sourcedoi:10.4236/jsea.2013.65033 fatcat:vdftwu5zsvbnbooqpu44mjmlpi