Manpages - bindresvport.3t

The

and

functions are used to bind a socket descriptor to a privileged

port, that is, a port number in the range 0-1023.

is a pointer to a

then the appropriate fields in the structure should be defined. Note that

must be initialized to the address family of the socket, passed by

then an anonymous port (in the range 600-1023) will be chosen, and if

is successful, the

will be updated to contain the allocated port.

is the

pointer, an anonymous port will be allocated (as above). However, there is no way for

to return the allocated port in this case.

Only root can bind to a privileged port; this call will fail for any other users.

Function prototype of

is biased to

socket. The

function acts exactly the same, with more neutral function prototype. Note that both functions behave exactly the same, and both support

sockets as well as

sockets.

If second argument was supplied, and address family did not match between arguments.

The

function may also fail and set

for any of the errors specified for the calls

The

function is part of libtirpc.