rescode.f

   1       integer function rescode(iseq,nam,itype)
   2       implicit real*8 (a-h,o-z)
   3       include 'DIMENSIONS'
   4       include 'COMMON.NAMES'
   5       include 'COMMON.IOUNITS'
   6       character*3 nam,ucase
   7
   8       if (itype.eq.0) then
   9
  10       do i=-ntyp1,ntyp1
  11         if (ucase(nam).eq.restyp(i)) then
  12           rescode=i
  13           return
  14         endif
  15       enddo
  16
  17       else
  18
  19       do i=-ntyp1,ntyp1
  20         if (nam(1:1).eq.onelet(i)) then
  21           rescode=i
  22           return
  23         endif
  24       enddo
  25
  26       endif
  27
  28       write (iout,10) iseq,nam
  29       stop
  30    10 format ('**** Error - residue',i4,' has an unresolved name ',a3)
  31       end
  32