FN_NOMATCH_ONLY   950 pcre/pcregrep.cpp     if (filenames == FN_NOMATCH_ONLY) return 1;
FN_NOMATCH_ONLY  1195 pcre/pcregrep.cpp if (filenames == FN_NOMATCH_ONLY)
FN_NOMATCH_ONLY  1401 pcre/pcregrep.cpp   case 'L': filenames = FN_NOMATCH_ONLY; break;