sym_before2      1999 src/extlib.c   static ScmObj sym_before2 = SCM_UNBOUND;
sym_before2      2032 src/extlib.c     else if (mode == sym_before2)  retmode = SCM_STRING_SCAN_BEFORE2;
sym_before2      6139 src/extlib.c     sym_before2 = Scm_Intern(&sym_before2__NAME);