usr/src/usr.bin/f77/libU77/test/seektst.f

C
C Copyright (c) 1980 The Regents of the University of California.
C All rights reserved.
C
C This module is believed to contain source code proprietary to AT&T.
C Use and redistribution is subject to the Berkeley Software License
C Agreement and your Software Agreement with AT&T (Western Electric).
C
C       @(#)seektst.f   5.2 (Berkeley) 4/12/91
C

        character*20 word1, word2
        integer ftell, fseek
        open(1, file="/usr/dict/words")
        iend = ftell(1)
        iseek1 = fseek(1, iend/2, 0)
        read(1,'(a)') word1
        iword = ftell(1)
        read(1,'(a)') word1
        rewind 1
        ibeg = ftell(1)
        iseek2 = fseek(1, iword, 0)
        read(1,'(a)') word2
        write(*,*) ibeg, iword, ftell(1), iend
        write(*,*) word1(:lnblnk(word1)), word2(:lnblnk(word2))
        write(*,*) "seek status", iseek1, iseek2, fseek(1, -1, 0)
        end