#define __NEED_size_t
#define __NEED_off_t
+#if defined(_GNU_SOURCE)
+#define __NEED_ssize_t
+#endif
+
#include <bits/alltypes.h>
#include <bits/mman.h>
#ifdef _GNU_SOURCE
void *mremap (void *, size_t, size_t, int, ...);
+int remap_file_pages (void *, size_t, int, ssize_t, int);
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)