pval *arr; if (hash_find(active_symbol_table ,"foo",sizeof("foo") ,(void **) arr)==FAILURE) {can't find...} else {use arr - value.ht...}
pval *arr; if (hash_find(active_symbol_table ,"foo",sizeof("foo") ,(void **) arr)==FAILURE) {introuvable...} else {utilisez arr - value.ht...}