#include <math.h>#include <stdio.h>#include "patchwerk.h"#include "core.h"#include "wavout/wavout.h"#include "sine/sine.h" int main(int argc, char *argv[]){    sk_core *core;    unsigned int n;    unsigned int nblocks;     core = sk_core_new(44100);     nblocks = sk_core_seconds_to_blocks(core, 10);     sk_core_constant(core, 440);    sk_core_constant(core, 0.5);    sk_node_sine(core);     sk_node_wavout(core, "test.wav");     for (n = 0; n < nblocks; n++) {        sk_core_compute(core);    }     sk_core_del(core);    return 0;}