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NAME

ft_headget,ft_headgetl,ft_headgeti,ft_headgetr,ft_headgets -Find and return values from a FITS header.

SYNOPSIS

char *ft_headget(FITSHead fits, char *name, int n, FITSCard *card);
int ft_headgetl(FITSHead fits, char *name, int n, int ldefault, FITSCard *card);
int ft_headgeti(FITSHead fits, char *name, int n, int idefault, FITSCard *card);
double ft_headgetr(FITSHead fits, char *name, int n, double ddefault, FITSCard *card);
char *ft_headgets(FITSHead fits, char *name, int n, char *sdefault, FITSCard *card);

• 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.
• FITSCard *card - The FITS card that was found.
• int ldefault - Default logical value to return.
• int idefault - Default integer value to return.
• double ddefault - Default real value to return.
• char *sdefault - Default string value to return.

Find and return the value of a FITS card as a static string.

ft_headgetl

Find and return the value of a FITS card as a logical.

ft_headgeti

Find and return the value of a FITS card as an integer.

ft_headgetr

Find and return the value of a FITS card as a real.

ft_headgets

Find and return the value of a FITS card as a allocated string.

EXAMPLES

                FITSHead        fits;
                FITSCard        card;


                int             simple;
                int             ax1, ax2;

        /* Look up the SIMPLE card in the header and see if its is 
           True.  If it's not found return False.
         */
        simple = ft_headgetl(fits, "SIMPLE", 0, 0, &card);

        /* Look up the NAXIS1 and NAXIS2 cards in the header
           if a card is not found return 0.
         */
        ax1 = ft_headgeti(fits, "NAXIS", 1, 0, &card);
        ax2 = ft_headgeti(fits, "NAXIS", 2, 0, &card);

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