IHYPRESS PROGRAMMING

Tutorials and C programs with code and output for beginners

<04.08>

/* Birdwatching program (EOF/file input/status var) */ #include <stdio.h> int main (void) { FILE *birdfile; int birds, days, total, i, j, status; birdfile = fopen ("birds.txt", "r"); total = 0; /* initialization - reading 1st value */ status = fscanf (birdfile, "%d", &days); while (status != EOF) /* loop goes while there is data */ { /* loop varies with no of days of sightings */ for (j=1; j<=days; ++j) { fscanf (birdfile, "%d", &birds); total = total + birds; } /* update - reading again */ status = fscanf (birdfile, "%d", &days); } fclose (birdfile); printf ("Total number of birds sighted: %d\n", total); return(0); }

Total number of birds sighted: 219

3 4 6 7
3 1 1 1
1 1
0
7 1 5 9 11 5 4 1
2 9 1
1 3
8 2 4 6 9 12 23 4 12
6 4 6 3 9 4 11
3 2 3 7
1 9
2 9 10