kolibrios/contrib/sdk/sources/newlib/libc/errno/errno.c

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/* The errno variable is stored in the reentrancy structure. This
function returns its address for use by the macro errno defined in
errno.h. */
#include <errno.h>
#include <reent.h>
#ifndef _REENT_ONLY
int *
__errno ()
{
return &_REENT->_errno;
}
#endif