int calopen(char *file)
Return:
This function reads the specified calibration file (which must be
located in one of the directories specified by DB
,
see section The Database Path) into the calibration list. If file is
NULL
, the file named by DBCAL
is read. Normally, the
current contents of the calibration list are discarded before reading
the calibration file; if file begins with `+', however, the
`+' is stripped from the file name and the contents of the file are
appended to the current calibration list. If file is `-',
calopen
reads the standard input rather than a calibration file.
(This function was first introduced in DB library version 6.0.)
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