Scm_Subtract      740 src/bignum.c               return Scm_Subtract(z, v, SCM_CDR(args));
Scm_Subtract     2160 src/gauche.h   SCM_EXTERN ScmObj Scm_Subtract(ScmObj arg1, ScmObj arg2, ScmObj args);
Scm_Subtract     2165 src/gauche.h   #define Scm_Subtract2(a, b)  Scm_Subtract((a), (b), SCM_NIL)
Scm_Subtract      571 src/stdlib.c            else SCM_RESULT = Scm_Subtract(arg1, SCM_CAR(args), SCM_CDR(args));
Scm_Subtract     2161 src/vm.c                           VAL0 = Scm_Subtract(arg, VAL0, SCM_NIL);
Scm_Subtract     2336 src/vm.c                           VAL0 = Scm_Subtract(SCM_MAKE_INT(imm), VAL0, SCM_NIL);