Jongy

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

int main(void)
{
    struct termios tty_attr;

Jongy

file_operations = partial_struct("file_operations")
null_fops = file_operations(null_fops)
from kernel_ffi import callback

def my_read_null(file, buf, count, ppos):
    pos = p64(ppos)
    b = "who said /dev/null must be empty?\n"[pos:]
    l = min(len(b), count)
    memcpy(buf, b, l)
    p64(ppos, pos + l)

Jongy

int my_global_int = 5;

int mul_by_global(int y)
{
    return y * my_global_int;
}