extern "C" {
#endif
-#if __STDC_VERSION__ >= 199901L
-#define __restrict restrict
-#elif !defined(__GNUC__)
-#define __restrict
-#endif
+#include <features.h>
#undef NULL
#ifdef __cplusplus
void *memccpy (void *__restrict, const void *__restrict, int, size_t);
#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);
int strncasecmp_l (const char *, const char *, size_t, locale_t);
char *strchrnul(const char *, int);
char *strcasestr(const char *, const char *);
-char *strsep(char **, const char *);
+void *memmem(const void *, size_t, const void *, size_t);
void *memrchr(const void *, int, size_t);
void *mempcpy(void *, const void *, size_t);
#ifndef __cplusplus