htonl()

Convert a 32-bit value from host-byte order to network-byte order

Synopsis:

#include <netinet/in.h>

in_addr_t htonl( in_addr_t hostlong );

Library:

libsocket

Description:

The htonl() function converts a 32-bit value from host-byte order to network-byte order.

This routine is most often used in conjunction with internet addresses and ports returned by gethostbyname() and getservent().

Returns:

The value in network-byte order.

Classification:

Standard Unix, POSIX 1003.1g (draft)

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

See also:

gethostbyname(), getservent(), htons(), ntohl(), ntohs()