static int nixio_file_seek(lua_State *L) {
int fd = nixio__checkfd(L, 1);
static int nixio_file_seek(lua_State *L) {
int fd = nixio__checkfd(L, 1);
int whence;
const char *whstr = luaL_optlstring(L, 3, "set", NULL);
if (!strcmp(whstr, "set")) {
int whence;
const char *whstr = luaL_optlstring(L, 3, "set", NULL);
if (!strcmp(whstr, "set")) {
static int nixio_file_lock(lua_State *L) {
int fd = nixio__checkfd(L, 1);
const char *flag = luaL_checkstring(L, 2);
static int nixio_file_lock(lua_State *L) {
int fd = nixio__checkfd(L, 1);
const char *flag = luaL_checkstring(L, 2);