errno - every program putting it here prevents gratuitously...

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#include <errno.h> /* * Source file that declares the space for the global variable errno. * * We also declare the space for __argv, which is used by the err* * functions. But since it is set by crt0, it is always referenced in
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Unformatted text preview: * every program; putting it here prevents gratuitously linking all * the err* and warn* functions (and thus printf) into every program. */ char **__argv; int errno;...
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