142 static int  wpng_isvalid_latin1(uch *p, int len);
282                     wpng_info.bg_red   = (uch)r;  in main()
283                     wpng_info.bg_green = (uch)g;  in main()
284                     wpng_info.bg_blue  = (uch)b;  in main()
461                 if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {  in main()
491                 if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {  in main()
531                 if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {  in main()
561                 if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {  in main()
591                 if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {  in main()
621                 if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {  in main()
719         wpng_info.image_data = (uch *)malloc(image_bytes);  in main()
720         wpng_info.row_pointers = (uch **)malloc(wpng_info.height*sizeof(uch *));  in main()
747         wpng_info.image_data = (uch *)malloc(rowbytes);  in main()
801 static int wpng_isvalid_latin1(uch *p, int len)