derp.c

#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>

typedef struct {
	uint8_t b[6];
} bdaddr_t;

#if defined(LINUX)

typedef struct {
	short rc_family;
	bdaddr_t bddadr;
	int rc_channel;
} sockaddr_rc;

static void bt_set_bdaddr(sockaddr_rc *sa, bdaddr_t *bdaddr) {
	memcpy(&sa->bdaddr, bdaddr);
}

#elif defined(MS_WINDOWS)

struct sockaddr_not_rc {
	short some_gay_shit;
	short some_gay_family_thing;
	uint64_t bdaddr;
	uint64_t blahblahServiceGuid[2];
	int port;
} __attribute__((packed));

typedef struct sockaddr_not_rc sockaddr_rc;

static void bt_set_bdaddr(sockaddr_rc *sa, bdaddr_t *bdaddr) {
	sa->bdaddr = 0;

	for (int i = 0; i < 6; ++i)
		sa->bdaddr |= bdaddr[i] << (8 * i);
}


#endif