1 #ifndef __SELECT_H 2 #define __SELECT_H 3 #ifndef _BSD_EXTENSION 4 This header file is an extension to ANSI/POSIX 5 #endif 6 #pragma lib "/$M/lib/ape/libap.a" 7 8 #ifndef _FD_SET_T 9 #define _FD_SET_T 10 /* BSD select, and adjunct types and macros */ 11 12 /* assume 96 fds is sufficient for fdset size */ 13 14 typedef struct fd_set { 15 long fds_bits[3]; 16 } fd_set; 17 18 #define FD_SET(n,p) ((p)->fds_bits[(n)>>5] |= (1 << ((n) &0x1f))) 19 #define FD_CLR(n,p) ((p)->fds_bits[(n)>>5] &= ~(1 << ((n) &0x1f))) 20 #define FD_ISSET(n,p) ((p)->fds_bits[(n)>>5] & (1 << ((n) &0x1f))) 21 #define FD_ZERO(p) ((p)->fds_bits[0] =0, (p)->fds_bits[1] =0, (p)->fds_bits[2] =0) 22 #endif 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 extern int select(int, fd_set*, fd_set*, fd_set*, struct timeval *); 29 30 #ifdef __cplusplus 31 } 32 #endif 33 34 #endif 35