_search_fheading
_search_fheading (buf)
fld = _search_fheading(buf);
if (_search_fheading(p) < FO_MAX) {
&& _search_fheading(p+1) < FO_MAX
int _search_fheading ( char * );
int _search_fheading();
if (_search_fheading(cp) < FO_MAX)
int _search_fheading ( char * );