void swab(const void *, void *, ssize_t);
#endif
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \
+ || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE < 700)
+int usleep(unsigned);
+unsigned ualarm(unsigned, unsigned);
+#endif
+
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define L_SET 0
#define L_INCR 1
int getdtablesize(void);
int sethostname(const char *, size_t);
int getdomainname(char *, size_t);
-int usleep(unsigned);
-unsigned ualarm(unsigned, unsigned);
int setgroups(size_t, const gid_t []);
char *getpass(const char *);
int daemon(int, int);
int getresuid(uid_t *, uid_t *, uid_t *);
int getresgid(gid_t *, gid_t *, gid_t *);
char *get_current_dir_name(void);
+int pipe2(int [2], int);
#endif
-#ifdef _LARGEFILE64_SOURCE
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
#define lseek64 lseek
#define pread64 pread
#define pwrite64 pwrite