9_C_Storage_Class_Scope_Linkage (1).pdf

Accessible only from within the source file in which

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Accessible only from within the source file in which they were declared This is used to limit the accessibility of “global” variables (variables declared outside any block) in library functions (so that, if you happen to use a global variable in your program with the same name as a global in the library function, you will not get unexpected results). 8
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