urbit/i/n/x.h
2014-11-07 14:54:59 -08:00

72 lines
1.5 KiB
C

/* i/n/x.h
**
** This file is in the public domain.
*/
/** u3x_*: read, but bail with c3__exit on a crash.
**/
#if 1
# define u3x_h(som) u3a_h(som)
# define u3x_t(som) u3a_t(som)
#else
/* u3x_h (u3h): head.
*/
u3_noun
u3x_h(u3_noun som);
/* u3x_t (u3t): tail.
*/
u3_noun
u3x_t(u3_noun som);
#endif
/* u3x_good(): test for u3_none.
*/
u3_noun
u3x_good(u3_weak som);
/* u3x_at (u3at): fragment.
*/
u3_noun
u3x_at(u3_noun axe, u3_noun som);
/* u3x_cell():
**
** Divide `a` as a cell `[b c]`.
*/
void
u3x_cell(u3_noun a,
u3_noun* b,
u3_noun* c);
/* u3x_trel():
**
** Divide `a` as a trel `[b c d]`, or bail.
*/
void
u3x_trel(u3_noun a,
u3_noun* b,
u3_noun* c,
u3_noun* d);
/* u3x_qual():
**
** Divide `a` as a quadruple `[b c d e]`.
*/
void
u3x_qual(u3_noun a,
u3_noun* b,
u3_noun* c,
u3_noun* d,
u3_noun* e);
/* u3x_quil():
**
** Divide `a` as a quintuple `[b c d e f]`.
*/
void
u3x_quil(u3_noun a,
u3_noun* b,
u3_noun* c,
u3_noun* d,
u3_noun* e,
u3_noun* f);