getch.c

#include <stdio.h>
#include <termios.h>
#include <unistd.h>

int getch( ) {
  struct termios oldt, newt;
  int ch;
  tcgetattr( STDIN_FILENO, &oldt );
  newt = oldt;
  newt.c_lflag &= ~( ICANON | ECHO );
  tcsetattr( STDIN_FILENO, TCSANOW, &newt );
  ch = getchar();
  tcsetattr( STDIN_FILENO, TCSANOW, &oldt );
  return ch;
}

int main(){
 char a=getch();
 printf("karakter input = %c\n",a);
 return 0;
}