Hi Manuel, > [...] In this tutorial, we'll > demonstrate how to run clang's SyntaxOnlyAction But PrintFunctionNamesAction is used in the example. Dmitri -- main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/