1 files changed, 35 insertions, 0 deletions
diff --git a/pkg/tbtables/fitsio/ftghps.f b/pkg/tbtables/fitsio/ftghps.f
new file mode 100644
index 00000000..6d92a1e2
--- /dev/null
+++ b/pkg/tbtables/fitsio/ftghps.f
@@ -0,0 +1,35 @@
+C--------------------------------------------------------------------------
+        subroutine ftghps(iunit,nkeys,pos,status)
+
+C       Get Header Position
+C       get the number of keywords in the header and the current position 
+C       in the header, i.e.,  the number of the next keyword record that 
+C       would be read.  
+C
+C       iunit   i  Fortran I/O unit number
+C       pos     i  current position in header (1 = beginning of header)
+C       status  i  output error status (0 = ok)
+C
+C       written by Wm Pence, HEASARC/GSFC, Jan 1995
+
+        integer iunit,nkeys,pos,status
+
+C       COMMON BLOCK DEFINITIONS:--------------------------------------------
+        integer nb,ne
+        parameter (nb = 20)
+        parameter (ne = 200)
+        integer bufnum,chdu,hdutyp,maxhdu,hdstrt,hdend,nxthdr,dtstrt
+        integer nxtfld
+        logical wrmode
+        common/ft0001/bufnum(199),chdu(nb),hdutyp(nb),maxhdu(nb),
+     &  wrmode(nb),hdstrt(nb,ne),hdend(nb),nxthdr(nb),dtstrt(nb),nxtfld
+C       END OF COMMON BLOCK DEFINITIONS-----------------------------------
+        
+        integer ibuff
+
+        if (status .gt. 0)return
+
+        ibuff=bufnum(iunit)
+        nkeys=(hdend(ibuff)-hdstrt(ibuff,chdu(ibuff)))/80
+        pos=(nxthdr(ibuff)-hdstrt(ibuff,chdu(ibuff)))/80+1
+        end