integer res
integer j
double precision valueconstant
character(len=CALCEPH_MAX_CONSTANTNAME) nameconstant
res = f90calceph_sopen("example1.dat")
if (res.eq.1) then
do j=1, f90calceph_sgetconstantcount()
res = f90calceph_sgetconstantindex(j,nameconstant,valueconstant)
write (*,*) nameconstant,"=",valueconstant
enddo
call f90calceph_sclose
endif