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Software Vault - The Gold Collection (American Databankers) (1993).ISO
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netprog.zip
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NETPROG.TAR
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net.s5
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tliopt.c
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C/C++ Source or Header
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1989-12-17
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2KB
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78 lines
/*
* Print the information for a given transport provider.
*/
#include <stdio.h>
#include <fcntl.h>
#include <tiuser.h>
main()
{
doit("/dev/tcp");
doit("/dev/udp");
}
doit(name)
char *name;
{
int tfd;
struct t_info info;
if ( (tfd = t_open(name, O_RDWR, &info)) < 0)
err_sys("can't open %s", name);
printf("Protocol = %s", name);
printf("\n %8ld: max size of address", info.addr);
if (info.addr == -2)
printf(" (no user access to addresses)");
else if (info.addr == -1)
printf(" (no limit on size of address)");
printf("\n %8ld: max #bytes of options", info.options);
if (info.options == -2)
printf(" (not supported)");
else if (info.options == -1)
printf(" (no limit on option size)");
printf("\n %8ld: max size of data unit", info.tsdu);
if (info.tsdu == -2)
printf(" (transfer of normal data is not supported)");
else if (info.tsdu == -1)
printf(" (no limit on size of data unit)");
else if (info.tsdu == 0)
printf(" (data has no logical boundaries)");
printf("\n %8ld: max size of expedited data unit", info.etsdu);
if (info.etsdu == -2)
printf(" (transfer of normal data is not supported)");
else if (info.etsdu == -1)
printf(" (no limit on size of data unit)");
else if (info.etsdu == 0)
printf(" (data has no logical boundaries)");
printf("\n %8ld: max amount of data with connect", info.connect);
if (info.connect == -2)
printf(" (not allowed)");
else if (info.connect == -1)
printf(" (no limit)");
printf("\n %8ld: max amount of data with disconnect", info.discon);
if (info.discon == -2)
printf(" (not allowed)");
else if (info.discon == -1)
printf(" (no limit)");
printf("\n %8ld: service type", info.servtype);
if (info.servtype == T_COTS)
printf(" (connection-oriented withOUT orderly release)");
else if (info.servtype == T_COTS_ORD)
printf(" (connection-oriented WITH orderly release)");
else if (info.servtype == T_CLTS)
printf(" (connectionless)");
else
printf(" (??????)");
putchar('\n');
fflush(stdout);
}