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#ifndef _ERRNO_H
#include <stdlib/errno.h>
#if defined _ERRNO_H && !defined _ISOMAC
# include <tls.h> /* Defines USE_TLS. */
# if USE_TLS && HAVE___THREAD
# undef errno
# define errno errno /* For #ifndef errno tests. */
extern __thread int errno;
# define __set_errno(val) (errno = (val))
# else
# define __set_errno(val) (*__errno_location ()) = (val)
# endif
#endif /* _ERRNO_H */
#endif /* ! _ERRNO_H */
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