filter_header    362 src/xover.c              ret = filter_header(i_fmt->data, xover);
filter_header   1243 src/xover.c                                      if (*p && *++p && (blocker = filter_header(header, p)))
filter_header   1285 src/xover.c                                      if (*p && *++p && (blocker = filter_header(header, p)))
filter_header   1326 src/xover.c                              if (*p && *++p && (blocker = filter_header(header, p)))