interface.h

#include <stdint.h>
#include <unistd.h>

typedef struct {
    uint8_t* ptr;
    size_t len;
} slice_t;

typedef struct {
    slice_t* ptr;
    size_t len;
} slices_t;

extern void sendText(void* client, slice_t message);
extern void sendBinary(void* client, slice_t message);
extern void close(void* client);

void onConnect(void* client, slice_t url, slices_t headers);
void onText(void* client, slice_t message);
void onBinary(void* client, slice_t message);
void onClose(void* client);