User's Manual

.!*LM
8&&&&&#!1&)*+,&.*7*)&%*)..&)55,*)
 #"  :< !"*$
1*,K
result = select(count, reads, writes, exceptions, timeout)
int result, count;
fd_set *reads, *writes, *exceptions;
struct timeval *timeout;
,,5*.
result "  "!(      
select()  (!$
-1 !    "$
0 !  ! !  *    (! 
$
count   "!(    select()  *!$
Select() *!   ! 0  (count-1)$
7"#' "    !*!"!  - 
'      "    -$  
  "!(   0'  " #
count      + 1$ & count
  $     $ '
 "  E !   select()   *! 
 !  " ;$
reads    (!  #    ! 0
 count-1    $   (!  0 
FD_ZERO      (   $
< "'       (! # 
  ! 0  count-1  #  $
0  FD_SET !  fd_set ( #   
    ( #" "  select()
$  " select()' " FD_ISSET    
(   (!$   J 9 0K 
! !  ' '    (  
(!$
writes    (!  #    ! 
 count-1    $   (!   
FD_ZERO      (   $
< "'       (! # 
  ! 0  count-1  #  $
0  FD_SET !  fd_set ( #   
    ( #" "  select()
2  " select()' " FD_ISSET    
(   (!$   J 9 0K 
! !  ' '    (  
(!$