inet_netof()

Extract the network number from an Internet address

Synopsis:

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

unsigned long inet_netof( struct in_addr in );

Arguments:

in
An Internet address.

Library:

libsocket

Use the -l socket option to qcc to link against this library.

Description:

The inet_netof() routine returns the network number of the specified IPv4 Internet address.

All Internet addresses are returned in network order (bytes are ordered from left to right). All network numbers and local address parts are returned as machine-format integer values. For more information on Internet addresses, see inet_net_ntop() .

Returns:

An Internet network number.

Classification:

QNX Neutrino

Safety:  
Cancellation point No
Interrupt handler No
Signal handler Yes
Thread Yes

Last modified: 2013-12-23

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