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33 * $FreeBSD: src/lib/libc/net/inet_network.c,v 1.6.2.1 2001/04/21 14:53:04 ume Exp $
34 * $DragonFly: src/lib/libc/net/inet_network.c,v 1.2 2003/06/17 04:26:44 dillon Exp $
36 * @(#)inet_network.c 8.1 (Berkeley) 6/4/93
39 #include <sys/types.h>
40 #include <netinet/in.h>
41 #include <arpa/inet.h>
45 * Internet network address interpretation routine.
46 * The library routines call this routine to interpret
51 register const char *cp;
53 register in_addr_t val, base, n;
55 in_addr_t parts[4], *pp = parts;
62 if (*cp == 'x' || *cp == 'X')
64 while ((c = *cp) != 0) {
65 if (isdigit((unsigned char)c)) {
66 val = (val * base) + (c - '0');
70 if (base == 16 && isxdigit((unsigned char)c)) {
71 val = (val << 4) + (c + 10 - (islower((unsigned char)c) ? 'a' : 'A'));
83 if (*cp && !isspace((unsigned char)*cp))
87 for (val = 0, i = 0; i < n; i++) {
89 val |= parts[i] & 0xff;
95 * Weak aliases for applications that use certain private entry points,
96 * and fail to include <arpa/inet.h>.
99 __weak_reference(__inet_network, inet_network);