getdtablesize (3) ( Solaris man: Библиотечные вызовы )
BSD mandoc
NAME
getdtablesize
- get descriptor table size
LIBRARY
Lb libc
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.