#include <stdio.h>

int main(){
   char buffer[1];   //set a character buffer of 1 char.
   char yesorno;

    setbuf(stdin, buffer);  //assign the buffer to stdin.
     
    yesorno = getc(stdin);  //should take one char, without a space.

    //Do whatever you want!
}

#include <iostream>;
char caracter[2];
cin.get(caracter, 1);

#include <ncurses.h>

int main()
{   int ch;
    initscr();          /* Start curses mode        */
    raw();              /* Line buffering disabled  */
    keypad(stdscr, TRUE);       /* We read keystrokes ......      */
    noecho();           /* Don't echo() while we do getch */
    mvprintw(10,10,"Type any character to see it immediately: press '$' to end:\n");
    ch = getch();           /* If raw() hadn't been called
                            * we have to press enter before it gets to the   program      */
    mvprintw(11,10,"The pressed key(s) are:");                        
                            // by now you should have getten... this helps in positioning output
                            // on the screen wherever you want.... little calculation of rows/cols

        do {
            printw("%c", ch);
        } while ((ch=getch())!='$');
    refresh();          /* Print it on to the real screen ... the ncurses-window is just
                                imaginary and so we need to write to the real screen */
    getch();            /* Wait for user input */
    endwin();           /* End curses mode        */
    return 0;
}