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29 * $FreeBSD: src/lib/libc/net/inet_network.c,v 1.6.2.1 2001/04/21 14:53:04 ume Exp $
30 * $DragonFly: src/lib/libc/net/inet_network.c,v 1.6 2005/11/13 02:04:47 swildner Exp $
32 * @(#)inet_network.c 8.1 (Berkeley) 6/4/93
35 #include <sys/types.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
41 * Internet network address interpretation routine.
42 * The library routines call this routine to interpret
46 inet_network(const char *cp)
48 in_addr_t val, base, i, n;
50 in_addr_t parts[4], *pp = parts;
56 if (*cp == 'x' || *cp == 'X')
58 while ((c = *cp) != 0) {
59 if (isdigit((unsigned char)c)) {
60 val = (val * base) + (c - '0');
64 if (base == 16 && isxdigit((unsigned char)c)) {
65 val = (val << 4) + (c + 10 - (islower((unsigned char)c) ? 'a' : 'A'));
77 if (*cp && !isspace((unsigned char)*cp))
81 for (val = 0, i = 0; i < n; i++) {
83 val |= parts[i] & 0xff;
89 * Weak aliases for applications that use certain private entry points,
90 * and fail to include <arpa/inet.h>.
93 __weak_reference(__inet_network, inet_network);