check_var

INTERFACE:

   subroutine check_var(ncid, varname, varid, readvar)

DESCRIPTION:

   Check if variable is on netcdf file

ARGUMENTS:

     implicit none
     integer, intent(in)          :: ncid
     character(len=*), intent(in) :: varname
     integer, intent(out)         :: varid
     logical, intent(out)         :: readvar

REVISION HISTORY: