#include #include void usage(void) { fprint(2, "usage: namespace\n"); exits("usage"); } void main(int argc, char **argv) { char *ns; ARGBEGIN{ default: usage(); }ARGEND if(argc) usage(); ns = getns(); if(ns == nil){ fprint(2, "namespace: %r\n"); exits("namespace"); } print("%s\n", ns); exits(0); }