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1 #include <u.h>2 #include <libc.h>4 void5 usage(void)6 {7 fprint(2, "usage: namespace\n");8 exits("usage");9 }11 void12 main(int argc, char **argv)13 {14 char *ns;16 ARGBEGIN{17 default:18 usage();19 }ARGEND21 if(argc)22 usage();24 ns = getns();25 if(ns == nil){26 fprint(2, "namespace: %r\n");27 exits("namespace");28 }30 print("%s\n", ns);31 exits(0);32 }