#include <u.h>#include <libc.h>#define UREGVARSZ 4	/* not right but doesn't matter */#include <ureg.h> voidnotejmp(void *vr, jmp_buf j, int ret){	struct Ureg *r = vr; 	r->r0 = ret;	if(ret == 0)		r->r0 = 1;	r->pc = j[JMPBUFPC];	r->usp = j[JMPBUFSP] + 4;	noted(NCONT);}