shrub/jets/b/turn.c

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/* j/2/turn.c
**
*/
#include "all.h"
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u3_noun
_turn_in(u3j_site* sit_u, u3_noun a)
{
if ( u3_nul == a ) {
return u3_nul;
}
else {
return u3nc(
u3j_gate_slam(sit_u, u3k(u3h(a))),
_turn_in(sit_u, u3t(a)));
}
}
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/* functions
*/
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u3_noun
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u3qb_turn(u3_noun a, u3_noun b)
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{
u3_noun pro;
u3j_site sit_u;
u3j_gate_prep(&sit_u, b);
pro = _turn_in(&sit_u, a);
u3j_gate_lose(&sit_u);
return pro;
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}
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u3_noun
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u3wb_turn(u3_noun cor)
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ) {
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return u3m_bail(c3__exit);
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} else {
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return u3qb_turn(a, b);
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}
}