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#include <lib9.h> voidsayhi(void *v){	USED(v); 	print("hello from subproc\n");	print("rendez got %lu from main\n", rendezvous(0x1234, 1234));	exits(0);} intmain(int argc, char **argv){	print("hello from main\n");	ffork(RFMEM|RFPROC, sayhi, nil); 	print("rendez got %lu from subproc\n", rendezvous(0x1234, 0));	exits(0);}