getdtablesize

Purpose

     Gets descriptor table size.

Library

     Berkeley Library (libbsd.a)

Syntax

     int getdtablesize ( )

Description

     The  getdtablesize  subroutine  returns  the  size  of  a
     process descriptor table, which has at least 20 slots for
     each process.   Table entries  consist of  small integers
     starting at 0.

     In AIX, getdtablesize returns NOFILE, which is 200.

Related Information

     In  this  book:   "close,"  "dup,"  "dup2,"  "open,"  and
     "select."