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/// @file
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
u3_noun
u3qe_lune(u3_atom lub)
{
if (lub == 0) {
return u3_nul;
}
{
c3_w end_w = u3r_met(3, lub) - 1;
c3_w pos_w = end_w;
u3_noun lin = u3_nul;
if (u3r_byte(pos_w, lub) != 10) {
return u3m_error("noeol");
}
if (pos_w == 0) {
return u3nc(u3_nul, lin);
}
while (--pos_w) {
if (u3r_byte(pos_w, lub) == 10) {
lin = u3nc(u3qc_cut(3, (pos_w + 1), (end_w - pos_w - 1), lub), lin);
end_w = pos_w;
}
}
if (u3r_byte(pos_w, lub) == 10) {
return u3nc(u3_nul,
u3nc(u3qc_cut(3, (pos_w + 1), (end_w - pos_w - 1), lub), lin));
}
return u3nc(u3qc_cut(3, pos_w, (end_w - pos_w), lub), lin);
}
}
u3_noun
u3we_lune(u3_noun cor)
{
u3_noun lub;
if ( (u3_none == (lub = u3r_at(u3x_sam, cor))) ||
(c3n == u3ud(lub)) )
{
return u3m_bail(c3__fail);
} else {
return u3qe_lune(lub);
}
}
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