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NAME

     getdtablesize - get descriptor table size

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <unistd.h>

     int
     getdtablesize(void);

DESCRIPTION

     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 getdtablesize() system call
     returns the size of this table.

SEE ALSO

     close(2), dup(2), open(2), select(2)

HISTORY

     The getdtablesize() system call appeared in 4.2BSD.