fill_up_frame_row_with_spaces 3785 src/dispextern.h extern void fill_up_frame_row_with_spaces (struct glyph_row *, int);
fill_up_frame_row_with_spaces 2601 src/dispnew.c        fill_up_frame_row_with_spaces (frame_row, window_matrix->matrix_x);
fill_up_frame_row_with_spaces 26874 src/xdisp.c        fill_up_frame_row_with_spaces (to, to_used);