int setlogmask (int);
void syslog (int, const char *, ...);
-#if defined(_GNU_SOURCE)
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define _PATH_LOG "/dev/log"
#define __NEED_va_list
#include <bits/alltypes.h>
void vsyslog (int, const char *, va_list);