#include <features.h>
-#undef NULL
#ifdef __cplusplus
-#define NULL 0
+#define NULL 0L
#else
#define NULL ((void*)0)
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
char *strsep(char **, const char *);
-#endif
-
-#ifdef _BSD_SOURCE
size_t strlcat (char *, const char *, size_t);
size_t strlcpy (char *, const char *, size_t);
#endif