f=fopen "C:\Users\ab\Desktop\a.bin" "wb"
   WriteString f "String"
   WriteByte f 64
   WriteShort f 128
   WriteLong f 256
   WriteFloat f 512.0
   WriteString f "gnirtS"
   WriteLong f (ftell f)
   fclose f
   f=fopen "C:\Users\ab\Desktop\a.bin" "rb"
   ReadString f
   ReadByte f
   ReadShort f
   ReadLong f
   ReadFloat f
   ReadString f
   ftell f
   ReadLong f
   fclose f