static const char * _warc_find_eol ( const char * buf , size_t bsz ) {
 static const char _marker [ ] = "\r\n" ;
 const char * hit = xmemmem ( buf , bsz , _marker , sizeof ( _marker ) - 1U ) ;
 return hit ;
 }
static const char * _warc_find_eol ( const char * buf , size_t bsz ) {
 static const char _marker [ ] = "\r\n" ;
 const char * hit = xmemmem ( buf , bsz , _marker , sizeof ( _marker ) - 1U ) ;
 return hit ;
 }