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C/C++ code:

#include <stdio.h>
#include <sys/types.h>
#ifndef _WIN32 //Linux platform
#include <termio.h>
#ifndef STDIN_FILENO
#define STDIN_FILENO 0
#endif

#else //WIN32 platform
#include <conio.h>
#endif

#define MAX_LEN 256
#define BACKSPACE 127
#define ENTER 13
#define ALARM 7

int my_getch(void)
{
struct termios tm, tm_old;
int fd = STDIN_FILENO, c;
if(tcgetattr(fd, &tm) < 0)
return -1;
tm_old = tm;
cfmakeraw(&tm);
if(tcsetattr(fd, TCSANOW, &tm) < 0)
return -1;
c = fgetc(stdin);
if(tcsetattr(fd, TCSANOW, &tm_old) < 0)
return -1;
return c;
}
char *getPasswd(const char *prompt)
{
int i=0, ch;
static char p[MAX_LEN+1]="";
printf("%s", prompt);
while((ch = my_getch())!= -1 && ch != ENTER)
{
if(i == MAX_LEN && ch != BACKSPACE)
{
putchar(ALARM);
continue;
}
if(


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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

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