1 #include <u.h> 2 #include <libc.h> 3 4 char * 5 getuser(void) 6 { 7 static char user[NAMELEN+1]; 8 int fd; 9 int n; 10 11 fd = open("/dev/user", OREAD); 12 if(fd < 0) 13 return "none"; 14 n = read(fd, user, (sizeof user)-1); 15 close(fd); 16 if(n <= 0) 17 strcpy(user, "none"); 18 else 19 user[n] = 0; 20 return user; 21 } 22