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C--------------------------------------------------------------------------
subroutine ftucrd(ounit,keywrd,card,status)
C update a 80-character FITS header card/record
C
C ounit i fortran output unit number
C keywrd c keyword name ( 8 characters, cols. 1- 8)
C card c 80-character FITS card image
C OUTPUT PARAMETERS:
C status i output error status (0 = ok)
C
C written by Wm Pence, HEASARC/GSFC, May 1995
character*(*) keywrd,card
integer ounit,status,tstat
if (status .gt. 0)return
tstat=status
C try modifying the card, if it exists
call ftmcrd(ounit,keywrd,card,status)
if (status .eq. 202)then
C card doesn't exist, so create it
status=tstat
call ftprec(ounit,card,status)
end if
end
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