# 2.11BSD#431 - /usr/src/lib/libc/inet/inet_network.c

##### Functions

    inet_network      X

       1: /*
       2:  * Copyright (c) 1983 Regents of the University of California.
       3:  * All rights reserved.  The Berkeley software License Agreement
       4:  * specifies the terms and conditions for redistribution.
       5:  */
       6:
       7: #if defined(LIBC_SCCS) && !defined(lint)
       8: static char sccsid[] = "@(#)inet_network.c	5.2 (Berkeley) 3/9/86";
       9: #endif LIBC_SCCS and not lint
      10:
      11: #include <sys/types.h>
      12: #include <netinet/in.h>
      13: #include <ctype.h>
      14:
      15: /*
      16:  * Internet network address interpretation routine.
      17:  * The library routines call this routine to interpret
      18:  * network numbers.
      19:  */
      20: u_long
      21: inet_network(cp)
      22:     register char *cp;
      23: {
      24:     register u_long val, base, n;
      25:     register char c;
      26:     u_long parts[4], *pp = parts;
      27:     register int i;
      28:
      29: again:
      30:     val = 0; base = 10;
      31:     if (*cp == '0')
      32:         base = 8, cp++;
      33:     if (*cp == 'x' || *cp == 'X')
      34:         base = 16, cp++;
      35:     while (c = *cp) {
      36:         if (isdigit(c)) {
      37:             val = (val * base) + (c - '0');
      38:             cp++;
      39:             continue;
      40:         }
      41:         if (base == 16 && isxdigit(c)) {
      42:             val = (val << 4) + (c + 10 - (islower(c) ? 'a' : 'A'));
      43:             cp++;
      44:             continue;
      45:         }
      46:         break;
      47:     }
      48:     if (*cp == '.') {
      49:         if (pp >= parts + 4)
      50:             return (-1);
      51:         *pp++ = val, cp++;
      52:         goto again;
      53:     }
      54:     if (*cp && !isspace(*cp))
      55:         return (-1);
      56:     *pp++ = val;
      57:     n = pp - parts;
      58:     if (n > 4)
      59:         return (-1);
      60:     for (val = 0, i = 0; i < n; i++) {
      61:         val <<= 8;
      62:         val |= parts[i] & 0xff;
      63:     }
      64:     return (val);
      65: }

#### Defined functions

inet_network defined in line 20; used 7 times

- in /usr/include/arpa/inet.h line 27
- in /usr/src/include/arpa/inet.h line 27
- in /usr/src/lib/libc/net/getnent.c line 75
- in /usr/src/new/kermit5.188/ckcnet.h line 255
- in /usr/src/sbin/route/route.c line 499
- in /usr/src/sbin/routed/startup.c line 306
- in /usr/src/usr.sbin/htable/htable.c line 394

#### Defined variables

sccsid defined in line 8; never used

Last modified: 1988-12-26 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 1187 |