#include <stdio.h>

int data4[100];

// syscall will be move to newlib?
#define SYSCALL_CLONE 83

int _clone(void)
{
    return syscall(SYSCALL_CLONE,0,0,0);
}

static char lastc='d';

int main()
{
    printf("setvbuf returned %i\n",setvbuf(stdin,NULL,_IONBF,0));
    printf("setvbuf returned %i\n",setvbuf(stdout,NULL,_IONBF,0));

    printf("\033c");
    printf("\033HFOOL-SNAKE");
    //printf("\033d\033d\033dFOOL-SNAKE");
    printf("\033d");
    char snake[]="FOOLSNAKESFOOL";

    int thr=_clone();
    if(thr==0)
    {
	uint64_t x=0;

	while(1)
	{
	    for(int i=0;i<10000000;i++);

	    x++;
	    if(lastc=='d')printf("\033f");
	    if(lastc=='a')printf("\033b");
	    if(lastc=='w')printf("\033u");
	    if(lastc=='s')printf("\033d");

	    printf("\033[0;%im\033b%c",31+(uint8_t)(x%6),snake[x%10]);

	}
	
    }
    else
    {
	while(1)
	{
	    char c=fgetc(stdin);
	    lastc=c;
	}
    }

}