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Title: headfind
NAME
====
ft_headfind,ft_headindex,ft_headfindidx,ft_headfindseq -Fitsy FITS header find
routines.
SYNOPSIS
========
-
FITSCard ft_headfind(FITSHead fits, char *name, int n, int add);
void ft_headindex(FITSHead fits);
FITSCard ft_headfindidx(FITSHead fits, char *name, int n, int *match);
FITSCard ft_headfindseq(FITSHead fits, char *name, int n, int *match);
-
PARAMETERS
==========
* #"FITSHead fits" - The FITS header to search.
* #"char *name" - Name of the card keyword to search for.
* #"int n" - keyword index number, if is zero no
index number is appended to the keyword.
* #"int add" - If add is true the card will
be added to the header if it is
not found.
* #"int *match" - Returns true if the card found is
an exact match for the keyword
requested.
DESCRIPTION
===========
ft_headfind
-----------
Find a FITS card in the header.
If the header has been indexed the index will be used
otherwise a sequential search will be done.
ft_headindex
------------
Index a header for use with #ft_headfind.
ft_headfindidx
--------------
Find a FITS card in the header.
#headfindidx uses an index to find the card.
ft_headfindseq
--------------
Find a FITS card in the header.
Find a card in the header using sequential search.
If the requested card is a FITS indexed keyword and an exact match
is not found, the highest existing card of that type is returned and
match is set to 0.
RETURNS
=======
ft_headfind
-----------
The card found or NULL if an exact match was not found.
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