Guardian Performance Analyzer (GPA) User Guide
Guardian Performance Analyzer (GPA) User Guide – (544541-006) Page 15 of 131 
error := FILENAME_COMPARE_ ( filename1:length  !i:i 
   , filename2:length ) ;  !i:i 
!o:i 
In procedure calls, the !o:i notation follows an output buffer parameter that has a 
corresponding input parameter specifying the maximum length of the output buffer in 
bytes. For example: 
error := FILE_GETINFO_ ( filenum   !i 
  , [ filename:maxlen ] ) ;  !o:i 
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