BYTEORDER

NAME

htonl, htons, ntohl, ntohs - convert values between host and network byte order

SYNOPSIS

#include <netinet/in.h>

uint32_t htonl(uint32_t hostlong);

uint16_t htons(uint16_t hostshort);

uint32_t ntohl(uint32_t netlong);

uint16_t ntohs(uint16_t netshort);

DESCRIPTION

The fBhtonl()fP function converts the unsigned integer fIhostlongfP from host byte order to network byte order.

The fBhtons()fP function converts the unsigned short integer fIhostshortfP from host byte order to network byte order.

The fBntohl()fP function converts the unsigned integer fInetlongfP from network byte order to host byte order.

The fBntohs()fP function converts the unsigned short integer fInetshortfP from network byte order to host byte order.

On the i80x86 the host byte order is Least Significant Byte first, whereas the network byte order, as used on the Internet, is Most Significant Byte first.

CONFORMING TO

BSD 4.3

Index