SETBIT           3497 ext/pcre/pcrelib/pcre_compile.c     SETBIT(classbits, cd->fcc[c]);
SETBIT           3528 ext/pcre/pcrelib/pcre_compile.c     SETBIT(classbits, c);
SETBIT           34649 ext/sqlite3/libsqlite/sqlite3.c       SETBIT(pV, (i+1));