• FileLength(name:PTR TO CHAR)(LONG)
  Returns length of file specified by $lt;name$gt; or -1 if file doesn't exists.
  
  
• Inp(fh)(LONG)
  Returns byte read from file handle specified by the <fh> or -1 if an error occured.
  
  
• Out(fh,byte)
  Writes <byte> to file handle specified by the <fh>.
  
  
• ReadEStr(fh,estring)
  This reads string from filehandle <fh>. String is read byte by byte until "\n" or "\0" reached. All characters are copied into <estring>.
  
  
• WriteF(fmt,list:LIST OF LONG)
  Writes formated string <fmt> to stdout. If there is no stdout defines, a new stdout window is opened. Maximal length of the formated string is 512 characters.