#define __sferror(p) (((p)->_flags & __SERR) != 0)
-extern int ust_safe_fflush(LTTNG_UST_LFILE *fp);
-extern int ust_safe_vfprintf(LTTNG_UST_LFILE *fp, const char *fmt0, va_list ap);
+extern int ust_safe_fflush(LTTNG_UST_LFILE *fp)
+ __attribute__((visibility("hidden")));
-extern size_t ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
+extern int ust_safe_vfprintf(LTTNG_UST_LFILE *fp, const char *fmt0, va_list ap)
+ __attribute__((visibility("hidden")));
+
+extern size_t ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
+ __attribute__((visibility("hidden")));
#endif /* UST_SNPRINTF_VARIOUS_H */