Scm_U64VectorAddX  522 ext/uvector/gauche/uvector.h extern ScmObj Scm_U64VectorAddX(ScmU64Vector *s0, ScmObj s1, int clamp);
Scm_U64VectorAddX 5008 ext/uvector/uvlib.c SCM_RETURN(Scm_U64VectorAddX(v0, v1, clamp_arg(clamp)));