GETDTABLESIZE(2)GETDTABLESIZE(2)NAME
getdtablesize - get descriptor table size
SYNOPSIS
nfds = getdtablesize()
int nfds;
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 call getdtablesize
returns the size of this table.
Note that POSIX applications have a static table size given by the
constant OPEN_MAX.
SEE ALSOclose(2), dup(2), open(2), select(2)4.2 Berkeley Distribution June 28, 1985 GETDTABLESIZE(2)