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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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/* functions
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*/
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static u3_noun
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_flay_roll(
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u3_noun quz)
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{
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if ( u3_no == u3du(quz) ) {
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return c3__void;
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} else {
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u3_noun voo = _flay_roll(u3t(quz));
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u3_noun oon = u3_cqf_fork(u3h(u3h(quz)), voo);
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u3z(voo);
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return oon;
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}
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}
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u3_noun
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u3_cqf_flay(
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u3_noun pok)
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{
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u3_noun p_pok = u3h(pok);
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u3_noun q_pok = u3t(pok);
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u3_noun typ;
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switch ( u3h(q_pok) ) {
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default: return u3_cm_bail(c3__fail);
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case u3_yes: typ = u3k(u3t(q_pok));
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break;
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case u3_no: typ = _flay_roll(u3t(u3t(q_pok)));
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break;
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}
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return u3nc(u3k(p_pok), typ);
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}
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u3_noun
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u3_cwf_flay(
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u3_noun cor)
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{
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u3_noun pok;
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if ( (u3_no == u3_cr_mean(cor, u3_cv_sam, &pok, 0)) ||
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(u3_no == u3du(pok)) ) {
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return u3_cm_bail(c3__fail);
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} else {
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return u3_cqf_flay(pok);
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}
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}
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