Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/runtime/Mk/mkTuple2.c
#include "mk.h" NodePtr nhc_mkTuple2(NodePtr a1,NodePtr a2) { NodePtr n = C_ALLOC(1+EXTRA+2); n[0] = CONSTRP(2,0); INIT_PROFINFO(n,&dummyProfInfo) n[EXTRA+1] = (Node)a1; n[EXTRA+2] = (Node)a2; return n; }