1193    int num_weights)  in png_init_filter_heuristics()  argument
1209       if (num_weights > 0)  in png_init_filter_heuristics()
1212              (png_uint_32)(png_sizeof(png_byte) * num_weights));  in png_init_filter_heuristics()
1215          for (i = 0; i < num_weights; i++)  in png_init_filter_heuristics()
1221              (png_uint_32)(png_sizeof(png_uint_16) * num_weights));  in png_init_filter_heuristics()
1224              (png_uint_32)(png_sizeof(png_uint_16) * num_weights));  in png_init_filter_heuristics()
1226          for (i = 0; i < num_weights; i++)  in png_init_filter_heuristics()
1233          png_ptr->num_prev_filters = (png_byte)num_weights;  in png_init_filter_heuristics()
1276     int num_weights, png_const_doublep filter_weights,  in png_set_filter_heuristics()  argument
1284    if (!png_init_filter_heuristics(png_ptr, heuristic_method, num_weights))  in png_set_filter_heuristics()
1291       for (i = 0; i < num_weights; i++)  in png_set_filter_heuristics()
1331     int num_weights, png_const_fixed_point_p filter_weights,  in png_set_filter_heuristics_fixed()  argument
1339    if (!png_init_filter_heuristics(png_ptr, heuristic_method, num_weights))  in png_set_filter_heuristics_fixed()
1346       for (i = 0; i < num_weights; i++)  in png_set_filter_heuristics_fixed()