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Annotation of 43BSD/usr.lib/learn/C/L5.2e, revision 1.1

1.1     ! root        1: #print
        !             2: (Section 1.5)
        !             3: Write a program which copies its input to its output
        !             4: doubling each character (i.e. each input character
        !             5: is written twice on the output).  Compile and test
        !             6: it.  Then type ready.  Don't forget
        !             7: 
        !             8:  #include <stdio.h>
        !             9: 
        !            10: at the beginning of your program, and
        !            11: 
        !            12: cc x.c -lS
        !            13: 
        !            14: to compile it.
        !            15: #once #create Ref
        !            16: hoboken harrison newark roseville avenue grove street
        !            17: east orange brick church orange highland avenue
        !            18: mountain station south orange maplewood millburn short hills
        !            19: summit chatham madison convent station morristown
        !            20: new providence murray hill berkeley heights
        !            21: gillette stirling millington lyons basking ridge
        !            22: bernardsville far hills peapack gladstone
        !            23: #once #create Answer
        !            24: hhoobbookkeenn  hhaarrrriissoonn  nneewwaarrkk  rroosseevviillllee  aavveennuuee  ggrroovvee  ssttrreeeett
        !            25: 
        !            26: eeaasstt  oorraannggee  bbrriicckk  cchhuurrcchh  oorraannggee  hhiigghhllaanndd  aavveennuuee
        !            27: 
        !            28: mmoouunnttaaiinn  ssttaattiioonn  ssoouutthh  oorraannggee  mmaapplleewwoooodd  mmiillllbbuurrnn  sshhoorrtt  hhiillllss
        !            29: 
        !            30: ssuummmmiitt  cchhaatthhaamm  mmaaddiissoonn  ccoonnvveenntt  ssttaattiioonn  mmoorrrriissttoowwnn
        !            31: 
        !            32: nneeww  pprroovviiddeennccee  mmuurrrraayy  hhiillll  bbeerrkkeelleeyy  hheeiigghhttss
        !            33: 
        !            34: ggiilllleettttee  ssttiirrlliinngg  mmiilllliinnggttoonn  llyyoonnss  bbaasskkiinngg  rriiddggee
        !            35: 
        !            36: bbeerrnnaarrddssvviillllee  ffaarr  hhiillllss  ppeeaappaacckk  ggllaaddssttoonnee
        !            37: 
        !            38: #user
        !            39: a.out <Ref >xxx
        !            40: #cmp Answer xxx
        !            41: #succeed
        !            42: /*     One way: */
        !            43: 
        !            44:  #include <stdio.h>
        !            45: 
        !            46: main()
        !            47: {
        !            48:        int c;
        !            49: 
        !            50:        while ((c = getchar()) != EOF) {
        !            51:                putchar(c);
        !            52:                putchar(c);
        !            53:        }
        !            54: }
        !            55: #log
        !            56: #next
        !            57: 5.1e 5
        !            58: 5.3e 2

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