connect.c

#include <sys/socket.h>

#define IFACE_NAME "wl0"

int connect(int fd, const struct sockaddr *daddr, socklen_t addrlen)
{
	int ret;

	if (daddr->sa_family == AF_INET)
		setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, IFACE_NAME,
			   sizeof(IFACE_NAME));

	__asm__ volatile (
		"syscall"
		: [eax]"=a"(ret)
		: [rax]"a"(42), [rdi]"D"(fd), [rsi]"S"(daddr),
		  [rdx]"d"(addrlen)
		: "rcx", "r11", "memory"
	);

	return ret;
}