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Annotation of 43BSD/usr.lib/learn/C/L17.1a, revision 1.1.1.1

1.1       root        1: #print
                      2: Write in a program which reads its input and writes it
                      3: out line numbered, with a three-digit line number (starting at one)
                      4: followed by a single space and then by the original line.
                      5: Note: the printf format specification %3d will print a three
                      6: digit number.
                      7: You might try the function fgets (part of the standard library).
                      8:        fgets(buf, size, stdin)
                      9: reads from the terminal ("stdin") up to size characters
                     10: into buf.  It returns NULL on end of file.
                     11: 
                     12: Compile and test your program; then type "ready".
                     13: #once #create Ref
                     14: When in the course of human events, it becomes
                     15: necessary for one people to dissolve the political bands which have
                     16: connected them with another, and to assume among the 
                     17: powers of the earth the separate and equal station to which
                     18: the laws of Nature and of Nature's God entitle them, a decent
                     19: respect to the opinions of mankind requires that they should
                     20: declare the causes which impel them to the separation.
                     21:   We hold these truths to be self evident, that all men
                     22: are created equal, that they are endowed by their creator
                     23: with certain unalienable rights, that among these are life, liberty,
                     24: and the pursuit of happiness.  That to secure these rights,
                     25: governments are instituted among men, deriving their just
                     26: powers from the consent of the governed.  That whenever
                     27: any form of government becomes destructive of these ends,
                     28: it is the right of the people to alter or to abolish it, and
                     29: to institute new government, laying its foundation on such
                     30: principles and organizing its powers in such form, as to them
                     31: shall seem most likely to effect their safety and happiness.
                     32: #once #create reffed
                     33:   1 When in the course of human events, it becomes
                     34:   2 necessary for one people to dissolve the political bands which have
                     35:   3 connected them with another, and to assume among the 
                     36:   4 powers of the earth the separate and equal station to which
                     37:   5 the laws of Nature and of Nature's God entitle them, a decent
                     38:   6 respect to the opinions of mankind requires that they should
                     39:   7 declare the causes which impel them to the separation.
                     40:   8   We hold these truths to be self evident, that all men
                     41:   9 are created equal, that they are endowed by their creator
                     42:  10 with certain unalienable rights, that among these are life, liberty,
                     43:  11 and the pursuit of happiness.  That to secure these rights,
                     44:  12 governments are instituted among men, deriving their just
                     45:  13 powers from the consent of the governed.  That whenever
                     46:  14 any form of government becomes destructive of these ends,
                     47:  15 it is the right of the people to alter or to abolish it, and
                     48:  16 to institute new government, laying its foundation on such
                     49:  17 principles and organizing its powers in such form, as to them
                     50:  18 shall seem most likely to effect their safety and happiness.
                     51: #user
                     52: a.out <Ref >xxx
                     53: #cmp xxx reffed
                     54: #succeed
                     55: 
                     56: 
                     57:  #include <stdio.h>
                     58: 
                     59: main()
                     60: {
                     61:        char s[200];
                     62:        int k;
                     63: 
                     64:        k = 0;
                     65:        while (fgets(s, 200, stdin) != NULL)
                     66:                printf("%3d %s", ++k, s);
                     67: }
                     68: #log
                     69: #next
                     70: 18.1a 10
                     71: 17.1c 5

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