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#include <u.h>
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#include <libc.h>
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Waitmsg*
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system(char *name, char **argv)
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{
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	char err[ERRMAX];
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	Waitmsg *w;
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	int pid;
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	switch(pid = fork()){	/* assign = */
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	case -1:
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		return nil;
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	case 0:
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		exec(name, argv);
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		errstr(err, sizeof err);
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		_exits(err);
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	}
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	for(;;){
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		w = wait();
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		if(w == nil)
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			break;
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		if(w->pid == pid)
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			return w;
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		free(w);
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	}
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	return nil;
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}
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Waitmsg*
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systeml(char *name, ...)
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{
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	return system(name, &name+1);
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}