NAME    [Toc]    [Back]

     getdtablesize - get descriptor table size

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <unistd.h>

     int
     getdtablesize(void);

DESCRIPTION    [Toc]    [Back]

     Each process has a fixed size descriptor table, which is guaranteed to
     have at least 20 slots.  The entries in the descriptor table are numbered
     with small integers starting at 0.  The call getdtablesize() returns the
     size of this table.

SEE ALSO    [Toc]    [Back]

     close(2), dup(2), getrlimit(2), open(2), select(2), sysconf(3)

HISTORY    [Toc]    [Back]

     The getdtablesize() function call appeared in 4.2BSD.

BSD                              June 4, 1993                              BSD