shortfilename_stack[include_stack_ptr] = current_filename_short;
filename_stack[include_stack_ptr] = current_filename;
includedir_stack[include_stack_ptr] = current_include_dirs;
shortfilename_stack[include_stack_ptr] = current_filename_short;
filename_stack[include_stack_ptr] = current_filename;
includedir_stack[include_stack_ptr] = current_include_dirs;