1*32656Sminshall /* 2*32656Sminshall * The following is defined just in case someone should want to run 3*32656Sminshall * this telnet on a 4.2 system. 4*32656Sminshall * 5*32656Sminshall */ 6*32656Sminshall 7*32656Sminshall #ifndef FD_SETSIZE 8*32656Sminshall 9*32656Sminshall #define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n))) 10*32656Sminshall #define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n))) 11*32656Sminshall #define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n))) 12*32656Sminshall #define FD_ZERO(p) ((p)->fds_bits[0] = 0) 13*32656Sminshall 14*32656Sminshall #endif 15