      SUBROUTINE CHRTRN(STR,CHR,N)

C$$$  SUBPROGRAM DOCUMENTATION BLOCK
C
C SUBPROGRAM:    CHRTRN
C   PRGMMR: WOOLLEN          ORG: NP20       DATE: 1994-01-06
C
C ABSTRACT: THIS SUBROUTINE COPIES A SPECIFIED NUMBER OF CHARACTERS
C   FROM A CHARACTER ARRAY INTO A CHARACTER STRING.
C
C PROGRAM HISTORY LOG:
C 1994-01-06  J. WOOLLEN -- ORIGINAL AUTHOR
C 2003-11-04  J. ATOR    -- ADDED DOCUMENTATION
C 2003-11-04  S. BENDER  -- ADDED REMARKS/BUFRLIB ROUTINE
C                           INTERDEPENDENCIES
C 2003-11-04  D. KEYSER  -- UNIFIED/PORTABLE FOR WRF; ADDED HISTORY
C                           DOCUMENTATION
C
C USAGE:    CALL CHRTRN (STR, CHR, N)
C   INPUT ARGUMENT LIST:
C     CHR      - CHARACTER*1: N-WORD CHARACTER ARRAY
C     N        - INTEGER: NUMBER OF CHARACTERS TO COPY
C
C   OUTPUT ARGUMENT LIST:
C     STR      - CHARACTER*(*): CHARACTER STRING
C
C REMARKS:
C    THIS ROUTINE CALLS:        None
C    THIS ROUTINE IS CALLED BY: STBFDX
C                               Normally not called by any application
C                               programs but it could be.
C
C ATTRIBUTES:
C   LANGUAGE: FORTRAN 77
C   MACHINE:  PORTABLE TO ALL PLATFORMS
C
C$$$

      CHARACTER*(*) STR
      CHARACTER*1   CHR(N)

C----------------------------------------------------------------------
C----------------------------------------------------------------------
      DO I=1,N
      STR(I:I) = CHR(I)
      ENDDO
      RETURN
      END
