#include<stdio.h>
#include <SWI-Prolog.h>


foreign_t c_sleep(term_t x) {
  PL_succeed; //this predicate does nothing right now
}

install_t install() {
    PL_register_foreign("c_sleep",1,c_sleep,PL_FA_NOTRACE);
}

int main() {
    printf("hello world");
}