#include <u.h>#include <libc.h> static Waitmsg*_wait(int n, char *buf){	int l;	char *fld[5];	Waitmsg *w; 	if(n <= 0)		return nil;	buf[n] = '\0';	if(tokenize(buf, fld, nelem(fld)) != nelem(fld)){		werrstr("couldn't parse wait message");		return nil;	}	l = strlen(fld[4])+1;	w = malloc(sizeof(Waitmsg)+l);	if(w == nil)		return nil;	w->pid = atoi(fld[0]);	w->time[0] = atoi(fld[1]);	w->time[1] = atoi(fld[2]);	w->time[2] = atoi(fld[3]);	w->msg = (char*)&w[1];	memmove(w->msg, fld[4], l);	return w;} Waitmsg*wait(void){	char buf[256]; 	return _wait(await(buf, sizeof buf-1), buf);} Waitmsg*waitnohang(void){	char buf[256]; 	return _wait(awaitnohang(buf, sizeof buf-1), buf);} Waitmsg*waitfor(int pid){	char buf[256]; 	return _wait(awaitfor(pid, buf, sizeof buf-1), buf);}