15 #define POLLNVAL 0x020
16 #define POLLRDNORM 0x040
17 #define POLLRDBAND 0x080
18 #define POLLWRNORM 0x100
19 #define POLLWRBAND 0x200
22 typedef unsigned long nfds_t;
31 int poll (struct pollfd *, nfds_t, int);
35 #define __NEED_struct_timespec
36 #define __NEED_sigset_t
37 #include <bits/alltypes.h>
38 int ppoll(struct pollfd *, nfds_t, const struct timespec *, const sigset_t *);