shrub/jets/z/flan.c
2018-05-05 15:10:34 -07:00

45 lines
804 B
C

/* j/6/flan.c
**
*/
#include "all.h"
/* functions
*/
u3_noun
u3qz_flan(u3_noun bos,
u3_noun nif)
{
if ( c3y == u3r_sing(1, u3h(bos)) ) {
if ( (u3_nul == u3t(bos)) ) {
return u3k(nif);
}
else return u3k(bos);
}
else {
if ( c3y == u3r_sing(1, u3h(nif)) ) {
if ( (u3_nul == u3t(nif)) ) {
return u3k(bos);
}
else return u3k(nif);
}
else {
return u3nq(6,
u3k(bos),
u3k(nif),
u3nc(1, c3n));
}
}
}
u3_noun
u3wz_flan(u3_noun cor)
{
u3_noun bos, nif;
if ( c3n == u3r_mean(cor, u3x_sam_2, &bos, u3x_sam_3, &nif, 0) ) {
return u3m_bail(c3__fail);
} else {
return u3qz_flan(bos, nif);
}
}