43     IOFile(const char* s, const char* mode) : fp(0) {  in IOFile()
44         fp = ::fopen(s, mode);  in IOFile()
45         if(!fp) {  in IOFile()
51                 if(fp) {  in read()
52                     return ::fread(&r, sizeof(T), elem, fp);  in read()
57         if(fp) {  in write()
58             return ::fprintf(fp, s, val);  in write()
62     bool valid() const { return fp != 0; }  in valid()
64         if(fp) ::fclose(fp);  in ~IOFile()
65         fp=0;  in ~IOFile()
67     FILE* fp;  member
251     IOFile fp(Res::edid3dInfoFile, "r");  in is3DTV()  local
252     (void)fp.read(is3DTV, 1);  in is3DTV()
281     IOFile fp(Res::format3DFile, "wb");  in send3DInfoPacket()  local
282     (void)fp.write("%d", format3D);  in send3DInfoPacket()
283     if(!fp.valid()) {  in send3DInfoPacket()
291     IOFile fp(Res::barrierFile, "wb");  in enableBarrier()  local
292     (void)fp.write("%d", orientation);  in enableBarrier()
293     if(!fp.valid()) {  in enableBarrier()