/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)inet_makeaddr.c 5.1 (Berkeley) 3/11/86"; #endif LIBC_SCCS and not lint #include #include /* * Formulate an Internet address from network + host. Used in * building addresses stored in the ifnet structure. */ struct in_addr inet_makeaddr(net, host) long net, host; { u_long addr; if (net < 128) addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST); else if (net < 65536L) addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST); else addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST); addr = htonl(addr); return (*(struct in_addr *)&addr); }