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164 Chapter 3
Programming Examples
Using C Programming Over Socket LAN
if (optind < argc) {
strcat(command, " ");
} else {
strcat(command, "\n");
}
}
}
else
{
/* Only <hostname> provided; input on <stdin> */
strcpy(command, "");
if (optind > argc)
{
usage(basename);
exit(1);
}
}
}
else
{
/* no hostname! */
usage(basename);
exit(1);
}
/**********************************************/
/* open a socket connection to the instrument */
/**********************************************/
#ifdef WINSOCK
if (init_winsock() != 0) {
exit(1);
}
#endif /* WINSOCK */
instSock = openSocket(destination, SCPI_PORT);