static global variable, global variable
时间：2011-04-13 来源：SmartVessel
A static global variable is local to the translation unit it is defined in. So, if you define static int a; in two different translation units, this will create two independent variables. If you define a non-static global variable int b; in two translation units, you will experience a linker error (but you can use extern int b; in one of the two translation units to tell the linker that it should use the global variable from the other translation unit).
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