proto_item * proto_tree_add_string_format_value ( proto_tree * tree , int hfindex , tvbuff_t * tvb , gint start , gint length , const char * value , const char * format , ... ) {
 proto_item * pi ;
 va_list ap ;
 pi = proto_tree_add_string ( tree , hfindex , tvb , start , length , value ) ;
 if ( pi != tree ) {
 va_start ( ap , format ) ;
 proto_tree_set_representation_value ( pi , format , ap ) ;
 va_end ( ap ) ;
 }
 return pi ;
 }
proto_item * proto_tree_add_string_format_value ( proto_tree * tree , int hfindex , tvbuff_t * tvb , gint start , gint length , const char * value , const char * format , ... ) {
 proto_item * pi ;
 va_list ap ;
 pi = proto_tree_add_string ( tree , hfindex , tvb , start , length , value ) ;
 if ( pi != tree ) {
 va_start ( ap , format ) ;
 proto_tree_set_representation_value ( pi , format , ap ) ;
 va_end ( ap ) ;
 }
 return pi ;
 }