!>
!> LSAMEN  tests if the first N letters of CA are the same as the
!> first N letters of CB, regardless of case.
!> LSAMEN returns .TRUE. if CA and CB are equivalent except for case
!> and .FALSE. otherwise.  LSAMEN also returns .FALSE. if LEN( CA )
!> or LEN( CB ) is less than N.
!> 

N

!>          N is INTEGER
!>          The number of characters in CA and CB to be compared.
!> 

CA

!>          CA is CHARACTER*(*)
!> 

CB

!>          CB is CHARACTER*(*)
!>          CA and CB specify two character strings of length at least N.
!>          Only the first N characters of each string will be accessed.
!> 

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