__BEGIN_DECLS
/* Error status for non-reentrant lookup functions.
- We use a macro to access always the thread-specific `h_errno' variable. */
+ We use a macro to access always the thread-specific `h_errno' variable.
+ We always need the extern int here in case internal libc code undefines
+ the macro because it needs access to the underlying storage. */
extern int h_errno;
#if defined(__UCLIBC_HAS_THREADS__)
# define h_errno (*__h_errno_location ())