fprintf (stderr, "\t--pf         --pf    Enable post-filter\n"); fprintf (stderr, "\t--no-pf      --no-pf Disable post-filter\n");
fprintf (stderr, "\t--pf                 Enable post-filter\n"); fprintf (stderr, "\t--no-pf              Disable post-filter\n");
void usage(){   fprintf (stderr, "speexenc [options] <input file> <output file>\n");   fprintf (stderr, "options:\n");   fprintf (stderr, "\t--help       -h      This help\n");    fprintf (stderr, "\t--version    -v      Version information\n");    fprintf (stderr, "\t--pf         --pf    Enable post-filter\n");    fprintf (stderr, "\t--no-pf      --no-pf Disable post-filter\n"); }