digraph "fileSystem"
{
 // LATEX_PDF_SIZE
  edge [fontname="Helvetica",fontsize="10",labelfontname="Helvetica",labelfontsize="10"];
  node [fontname="Helvetica",fontsize="10",shape=record];
  Node1 [label="{fileSystem\n|+ vfsInitFS\l+ vfsMakeDir\l+ vfsOpenFile\l+ vfsRead\l+ vfsRemDir\l+ vfsSync\l+ vfsType\l+ vfsUnlink\l+ vfsWrite\l|}",height=0.2,width=0.4,color="black", fillcolor="grey75", style="filled", fontcolor="black",tooltip="filesSystem Structure"];
  Node1 -> Node1 [color="grey25",fontsize="10",style="solid",label=" +prev\n+next" ,arrowhead="odiamond",fontname="Helvetica"];
}