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-rw-r--r--stdlib/fmtmsg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/stdlib/fmtmsg.h b/stdlib/fmtmsg.h
index 07fa98a..5b477a2 100644
--- a/stdlib/fmtmsg.h
+++ b/stdlib/fmtmsg.h
@@ -99,8 +99,10 @@ extern int fmtmsg __P ((long int __classification, __const char *__label,
int __severity, __const char *__text,
__const char *__action, __const char *__tag));
+#ifdef __USE_SVID
/* Add or remove severity level. */
extern int addseverity __P ((int __severity, __const char *__string));
+#endif
__END_DECLS