#define __need_size_t
#define __need_ptrdiff_t
#include <stddef.h>
+#include <sys/select.h>
extern char **environ;
int _close(int fd);
char *ctermid(char *s);
char *cuserid(char *string);
+int daemon(int nochdir, int noclose);
int dup(int oldfd);
int dup2(int olffd, int newfd);
int execl(const char *path, const char *arg, ...);
int fchdir(int fd);
int fchmod(int fd, mode_t mode);
int fchown(int fd, uid_t owner, gid_t group);
+int fdatasync(int fd);
pid_t fork();
long fpathconf(int fd, int name);
int fsync(int fd);