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50 lines
689 B
C
50 lines
689 B
C
/* j/2/flop.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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u3_noun
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u3qb_flop(u3_noun a)
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{
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u3_noun b = 0;
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while ( 1 ) {
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if ( u3_nul == a ) {
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return b;
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}
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else if ( c3n == u3du(a) ) {
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u3z(b);
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return u3m_bail(c3__exit);
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}
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else {
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b = u3nc(u3k(u3h(a)), b);
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a = u3t(a);
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}
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}
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}
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u3_noun
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u3wb_flop(u3_noun cor)
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{
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u3_noun a;
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if ( u3_none == (a = u3r_at(u3x_sam, cor)) ) {
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return u3m_bail(c3__exit);
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} else {
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return u3qb_flop(a);
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}
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}
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u3_noun
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u3kb_flop(u3_noun a)
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{
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u3_noun b = u3qb_flop(a);
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u3z(a);
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return b;
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}
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