NAME¶
fd_move - renumber a descriptor
SYNTAX¶
#include <fd.h>
int
fd_move(
to,
from);
int
to;
int
from;
DESCRIPTION¶
fd_move moves descriptor
from to descriptor
to. If
to was already open,
fd_move closes it. If the move is
successful,
fd_move closes
from. Exception: if
to and
from are the same number,
fd_move does nothing.
fd_move returns 0 on success, -1 on error.
SEE ALSO¶
dup(2),
fd_copy(3)
