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You have no protection against buffer overrun of your arrays.

I was thinking of


while(fgets(buff,sizeof(buff),fd) != NULL) {
if ( strstr(buff,"------") != NULL ) break;
}

i = 0;

Look at my example again.

You've still got fgets() inside fgets()
Which means you're sometimes reading two lines at a time.

> if(ps)
The problem is, after you find your magic marker, you only read ONE more line and that's it.

You need two while loops



// find the marker
while ( fgets( ) ) {
// found...