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96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/* j/4/in_put.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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u2_noun
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u2_cqdi_put(
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u2_noun a,
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u2_noun b)
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{
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if ( u2_nul == a ) {
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return u2nt(u2k(b), u2_nul, u2_nul);
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}
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else {
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u2_noun l_a, n_a, r_a, lr_a; // XX copy tree boilerplate to other pt4
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u2_noun c, l_c, n_c, r_c;
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if ( (u2_no == u2_cr_cell(a, &n_a, &lr_a)) ) {
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return u2_cm_bail(c3__exit);
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}
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else if ( u2_yes == u2_cr_sing(n_a, b) ) {
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return u2k(a);
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}
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else if ( u2_no == u2_cr_cell(lr_a, &l_a, &r_a) ) {
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return u2_cm_bail(c3__exit);
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}
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else {
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if ( u2_yes == u2_cqc_hor(b, n_a) ) {
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c = u2_cqdi_put(l_a, b);
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if ( u2_yes == u2_cqc_vor(n_a, u2h(c)) ) {
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return u2nt(u2k(n_a),
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c,
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u2k(r_a));
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}
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else {
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u2_cr_trel(c, &n_c, &l_c, &r_c);
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{
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u2_noun d = u2nt
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(u2k(n_c),
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u2k(l_c),
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u2nt(
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u2k(n_a),
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u2k(r_c),
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u2k(r_a)));
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u2z(c);
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return d;
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}
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}
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}
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else {
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c = u2_cqdi_put(r_a, b);
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if ( u2_yes == u2_cqc_vor(n_a, u2h(c)) ) {
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return u2nt(u2k(n_a),
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u2k(l_a),
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c);
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}
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else {
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u2_cr_trel(c, &n_c, &l_c, &r_c);
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{
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u2_noun d = u2nt
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(u2k(n_c),
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u2nt(
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u2k(n_a),
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u2k(l_a),
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u2k(l_c)),
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u2k(r_c));
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u2z(c);
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return d;
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}
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}
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}
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}
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}
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}
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u2_noun
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u2_cwdi_put(
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u2_noun cor)
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{
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u2_noun a, b;
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if ( u2_no == u2_cr_mean(cor, u2_cv_sam, &b, u2_cv_con_sam, &a, 0) ) {
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return u2_cm_bail(c3__exit);
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} else {
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return u2_cqdi_put(a, b);
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}
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}
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