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57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
/* j/6/flay.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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#include "../pit.h"
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/* functions
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*/
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static u2_noun
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_flay_roll(
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u2_noun quz)
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{
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if ( u2_no == u2du(quz) ) {
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return c3__void;
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} else {
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u2_noun voo = _flay_roll(u2t(quz));
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u2_noun oon = u2_cqf_fork(u2h(u2h(quz)), voo);
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u2z(voo);
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return oon;
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}
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}
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u2_noun
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u2_cqf_flay(
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u2_noun pok)
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{
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u2_noun p_pok = u2h(pok);
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u2_noun q_pok = u2t(pok);
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u2_noun typ;
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switch ( u2h(q_pok) ) {
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default: return u2_cm_bail(c3__fail);
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case u2_yes: typ = u2k(u2t(q_pok));
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break;
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case u2_no: typ = _flay_roll(u2t(u2t(q_pok)));
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break;
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}
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return u2nc(u2k(p_pok), typ);
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}
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u2_noun
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u2_cwf_flay(
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u2_noun cor)
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{
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u2_noun pok;
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if ( (u2_no == u2_cr_mean(cor, u2_cv_sam, &pok, 0)) ||
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(u2_no == u2du(pok)) ) {
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return u2_cm_bail(c3__fail);
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} else {
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return u2_cqf_flay(pok);
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}
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}
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