/*
 * Not all machines define FD_SET in sys/types.h
 */
#ifndef _ntp_select_h
#define _ntp_select_h

#if (defined(RS6000)||defined(SYS_PTX))&&!defined(_BSD)
#include <sys/select.h>
#endif

#ifndef FD_SET
#define NFDBITS         32
#define FD_SETSIZE      32
#define FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
#define FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
#define FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
#define FD_ZERO(p)      memset((char *)(p), 0, sizeof(*(p)))
#endif

#endif /* _ntp_select_h */