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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.