FCLOSE  FCLOSE File Close Function


Usage
 
 Closes a file handle, or all open file handles.  The general syntax
 for its use is either
 
   fclose(handle)
 
 or
 
   fclose('all')
 
 In the first case a specific file is closed,  In the second, all open
 files are closed.  Note that until a file is closed the file buffers
 are not flushed.  Returns a '0' if the close was successful and a '-1' if
 the close failed for some reason.
 