/usr/share/doc/flex/examples/fastwc/mywc.c is in flex 2.6.4-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | /* A simple but fairly efficient C version of the Unix "wc" tool */
#include <stdio.h>
#include <ctype.h>
main()
{
int c, cc = 0, wc = 0, lc = 0;
FILE *f = stdin;
while ((c = getc(f)) != EOF) {
++cc;
if (isgraph(c)) {
++wc;
do {
c = getc(f);
if (c == EOF)
goto done;
++cc;
} while (isgraph(c));
}
if (c == '\n')
++lc;
}
done: printf( "%8d%8d%8d\n", lc, wc, cc );
}
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