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);
 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);