#include <u.h>#include <libc.h> char *getuser(void){	static char user[64];	char name[32];	Dir *dir; 	snprint(name, sizeof(name), "/proc/%lud/status", (ulong)getpid());	if((dir = dirstat(name)) == nil)		return "none";	snprint(user, sizeof(user), "%s", dir->uid);	free(dir);	return user;}