623     Py_ssize_t frame_start;     /* Position in output_buffer where the  member
929     self->frame_start = -1;  in _Pickler_ClearBuffer()
954     if (!self->framing || self->frame_start == -1)  in _Pickler_CommitFrame()
956     frame_len = self->output_len - self->frame_start - FRAME_HEADER_SIZE;  in _Pickler_CommitFrame()
957     qdata = PyBytes_AS_STRING(self->output_buffer) + self->frame_start;  in _Pickler_CommitFrame()
966     self->frame_start = -1;  in _Pickler_CommitFrame()
1009     if (!self->framing || self->frame_start == -1) {  in _Pickler_OpcodeBoundary()
1012     frame_len = self->output_len - self->frame_start - FRAME_HEADER_SIZE;  in _Pickler_OpcodeBoundary()
1044     need_new_frame = (self->framing && self->frame_start == -1);  in _Pickler_Write()
1065         Py_ssize_t frame_start = self->output_len;  in _Pickler_Write()  local
1066         self->frame_start = frame_start;  in _Pickler_Write()
1069             buffer[frame_start + i] = 0xFE;  in _Pickler_Write()
1101     self->frame_start = -1;  in _Pickler_New()