Function test_eof

Source/Misc/lua/src/lua.c:12197–12202

static int test_eof (lua_State *L, FILE *f) {
int c = getc(f);
ungetc(c, f);
lua_pushlstring(L, NULL, 0);
return (c != EOF);
}


static int read_line (lua_State *L, FILE *f) {