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48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* Copyright (C) 1996 N.M. Maclaren
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Copyright (C) 1996 The University of Cambridge
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This includes all of the 'Internet' headers and definitions used across
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modules, including those for handling timeouts. No changes should be needed
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for any version of Unix with Internet (IP version 5) addressing, but would be
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for other addressing domains. It needs <sys/socket.h> only because AF_INET is
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needed by gethostbyaddr and is defined there rather than in <netdb.h>, for some
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damn-fool reason. */
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#include <setjmp.h>
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#include <signal.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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/* It is most unclear whether these should be here or in kludges.h, as they are
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kludges to keep 32-bit address dependencies out of the main body of internet.c,
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to allow for the much heralded arrival of IP version 6. It will be interesting
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to see whether the universal availability of 64-bit integers arrives first. */
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#define local_to_address(x,y) ((x)->s_addr = htonl((unsigned long)y))
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#define network_to_address(x,y) ((x)->s_addr = (y))
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#define NTP_PORT htons((unsigned short)123) /* If not in /etc/services */
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#define port_to_integer(x) (ntohs((unsigned short)(x)))
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#if defined(_SS_MAXSIZE) || defined(_SS_SIZE)
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#define HAVE_IPV6
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#endif
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/* Defined in internet.c */
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#ifdef HAVE_IPV6
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extern void find_address (struct sockaddr_storage *address,
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struct sockaddr_storage *anywhere,
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int *port, char *hostname, int timespan);
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#else
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extern void find_address (struct in_addr *address, struct in_addr *anywhere,
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int *port, char *hostname, int timespan);
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#endif
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