Scm_StringScanChar 2041 src/extlib.c        SCM_RETURN(Scm_StringScanChar(s1, SCM_CHAR_VALUE(s2), retmode));
Scm_StringScanChar 1096 src/gauche.h   SCM_EXTERN ScmObj  Scm_StringScanChar(ScmString *s1, ScmChar ch, int retmode);