Does ansi C place a limit on the number of external variables in a program?

Question

By external variable I mean a variable declared with the extern modifier (and defined elsewhere in the program).

I\'ve been told of this limitation, and couldn\

Answer 1

The C99 standard specifies several translation limits (5.2.4.1). One of those is :

4095 external identifiers in one translation unit

The C89 standard specifies this limit (2.2.4.1) :

511 external identifiers in one translation unit

Note that these are minimum limits for conforming implementations, not absolute limits.