The htonl function

Description

The htonl function converts a value of type u_long from host to TCP/IP network byte order (which is big-endian).

Declaration

The system include file WinSock2.inc contains the following declarations for the u_long type, and the htonl function:

 u_long = word;

 function htonl(hostlong : u_long) : u_long;
  external dll='ws2_32.dll';

Arguments

The only argument passed to the htonl function is the u_long value that you want to convert to TCP/IP network byte order.

Return Values

The htonl function returns the u_long value in TCP/IP network byte order.

Reference Information

The authoritative source of information about the WinSock2 library is the Microsoft Developers Network (MSDN). You can access the MSDN on the Microsoft website at msdn.microsoft.com.