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Diffstat (limited to 'errno.h')
-rw-r--r--errno.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/errno.h b/errno.h
index f1fbd5e082..a9c9acdff2 100644
--- a/errno.h
+++ b/errno.h
@@ -37,6 +37,7 @@ __BEGIN_DECLS
#undef __need_Emath
#ifdef _ERRNO_H
+
/* Declare the `errno' variable, unless it's defined as a macro by
errnos.h. This is the case in GNU, where it is a per-thread variable.
This redeclaration using the macro still works, but it will be a
@@ -59,9 +60,10 @@ typedef int error_t;
invoked. These variables are set up automatically at startup based on
the value of ARGV[0] (this works only if you use GNU ld). */
extern char *program_invocation_name, *program_invocation_short_name;
-#endif
+#endif /* Use GNU. */
+
+#endif /* errno.h included */
__END_DECLS
-#endif
-#endif /* errno.h */
+#endif /* errno.h */