1 files changed, 25 insertions, 0 deletions
diff --git a/pkg/tbtables/fitsio/ftgkyl.f b/pkg/tbtables/fitsio/ftgkyl.f
new file mode 100644
index 00000000..a4d355a5
--- /dev/null
+++ b/pkg/tbtables/fitsio/ftgkyl.f
@@ -0,0 +1,25 @@
+C--------------------------------------------------------------------------
+        subroutine ftgkyl(iunit,keywrd,logval,comm,status)
+
+C       read a logical value and the comment string from a header record 
+C
+C       iunit   i  fortran input unit number
+C       keywrd  c  keyword name   
+C       OUTPUT PARAMETERS:
+C       logval  l  output keyword value 
+C       comm    c  output keyword comment
+C       status  i  returned error status (0=ok)
+C
+C       written by Wm Pence, HEASARC/GSFC, June 1991
+
+        character*(*) keywrd,comm
+        integer iunit,status
+        character value*20
+        logical logval
+
+C       find the keyword and return value and comment as character strings
+        call ftgkey(iunit,keywrd,value,comm,status)
+
+C       convert character string to logical
+        call ftc2l(value,logval,status)
+        end