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#include <stdio.h>
int
main (int argc, char **argv)
{
char *progname = argv[0];
FILE *fp;
int c;
unsigned count;
if (argc != 2)
{
fprintf (stderr, "usage: %s FILE\n", progname);
return 1;
}
fp = fopen (argv[1], "r");
if (!fp)
{
perror (argv[1]);
return 2;
}
count = 0;
while ((c = fgetc (fp)) != EOF)
if (c == '\n')
count++;
fclose (fp);
printf ("%u\n", count);
return 0;
}
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