Added socket syscalls

lib/sys/linux.q

@@ -30,6 +30,22 @@ exit(code) {
 	syscall(60, code)
 }
 
+socket(family, type, protocol) {
+	return syscall(41, family, type, protocol)
+}
+
+accept(fd, address, length) {
+	return syscall(43, fd, address, length)
+}
+
+bind(fd, address, length) {
+	return syscall(49, fd, address, length)
+}
+
+listen(fd, backlog) {
+	return syscall(50, fd, backlog)
+}
+
 getcwd(buffer, length) {
 	return syscall(79, buffer, length)
 }