urbit/j/5/trip.c
2014-09-05 12:55:16 -07:00

37 lines
539 B
C

/* j/5/trip.c
**
** This file is in the public domain.
*/
#include "all.h"
/* functions
*/
u2_noun
u2_cqe_trip(u2_atom a)
{
if ( u2_no == u2ud(a) ) {
return u2_cm_bail(c3__exit);
}
return u2_cqc_rip(3, a);
}
u2_noun
u2_cwe_trip(u2_noun cor)
{
u2_noun a;
if ( (u2_none == (a = u2_cr_at(u2_cv_sam, cor))) ) {
return u2_cm_bail(c3__fail);
} else {
return u2_cqe_trip(a);
}
}
u2_atom
u2_cke_trip(u2_noun a)
{
u2_atom b = u2_cqe_trip(a);
u2z(a);
return b;
}