Scm_Format        655 src/error.c        Scm_Format(SCM_PORT(ostr), fmt, args, TRUE);
Scm_Format       5248 src/extlib.c   Scm_Format(port, fmt, args, shared);
Scm_Format       1600 src/gauche.h   SCM_EXTERN void Scm_Format(ScmPort *port, ScmString *fmt, ScmObj args, int ss);