does not work, with syntax highlighting

//C code that does not work (yet), with syntax highlighting.
//$ cat getch.c
#include <stdio.h>
#include <ncurses.h>
#include <unistd.h>  /* only for sleep() */

int kbhit(void)
{
    int ch = getch();

    if (ch != ERR) {
        ungetch(ch);
        return 1;
    } else {
        return 0;
    }
}

main()
{
int i = 0;

initscr();

cbreak();
noecho();
nodelay(stdscr, TRUE);

scrollok(stdscr, TRUE);


while (1) {
        if (kbhit()) {
            printw("Key pressed! It was: %d\n", getch());
            refresh();
        break;
        } else {
            printf("Numero: %d ",i);
            refresh();
            sleep(1);
        i++;
        }
    printf("%d ", i);
    }

}