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5.1 Variable Names

Variable names are case-sensitive. The underscore character is allowed and is often used to enhance the readability of long variable names. C keywords like if, while, etc. may not be used as variable names.

Global variables and functions may not have the same name. In addition, local variables named the same as functions prevent the use of that function within the scope of the local variable.

Fred G. Martin
Fri Mar 29 17:44:15 EST 1996