pcre_study        643 srclib/pcre/pcregrep.c   hints_list[j] = pcre_study(pattern_list[j], 0, &error);
pcre_study        961 srclib/pcre/pcretest.c           extra = pcre_study(re, study_options, &error);
pcre_study        968 srclib/pcre/pcretest.c       extra = pcre_study(re, study_options, &error);
pcre_study        189 srclib/pcre/pgrep.c hints = pcre_study(pattern, 0, &error);