Agilent Technologies E4428C - Page 120

110 Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide
Programming Examples
LAN Programming Interface Examples
#else /* UNIX with BSD sockets */
# include <sys/socket.h> /* for connect and socket*/
# include <netinet/in.h> /* for sockaddr_in */
# include <netdb.h> /* for gethostbyname */
# define SOCKET_ERROR (-1)
# define INVALID_SOCKET (-1)
typedef int SOCKET;
#endif /* WINSOCK */
#ifdef WINSOCK
/* Declared in getopt.c. See example programs disk. */
extern char *optarg;
extern int optind;
extern int getopt(int argc, char * const argv[], const char* optstring);
#else
# include <unistd.h> /* for getopt(3C) */
#endif
#define COMMAND_ERROR (1)
#define NO_CMD_ERROR (0)
#define SCPI_PORT 5025
#define INPUT_BUF_SIZE (64*1024)
/**************************************************************************
* Display usage
**************************************************************************/
static void usage(char *basename)
{
fprintf(stderr,"Usage: %s [-nqu] <hostname> [<command>]\n", basename);
fprintf(stderr," %s [-nqu] <hostname> < stdin\n", basename);
fprintf(stderr," -n, number output lines\n");
fprintf(stderr," -q, quiet; do NOT echo lines\n");
fprintf(stderr," -e, show messages in error queue when done\n");
}