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1 | /* A simple but fairly efficient C version of the Unix "wc" tool */
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2 |
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3 | #include <stdio.h>
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4 | #include <ctype.h>
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5 |
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6 | main()
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7 | {
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8 | register int c, cc = 0, wc = 0, lc = 0;
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9 | FILE *f = stdin;
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10 |
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11 | while ((c = getc(f)) != EOF) {
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12 | ++cc;
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13 | if (isgraph(c)) {
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14 | ++wc;
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15 | do {
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16 | c = getc(f);
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17 | if (c == EOF)
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18 | goto done;
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19 | ++cc;
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20 | } while (isgraph(c));
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21 | }
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22 | if (c == '\n')
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23 | ++lc;
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24 | }
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25 | done: printf( "%8d%8d%8d\n", lc, wc, cc );
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26 | }
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