ref: c3ba64f6935322f09b6de5c2285544fd471c605d
dir: /sys/src/cmd/ndb/ipquery.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <ndb.h> #include <ip.h> /* * search the database for matches */ void usage(void) { fprint(2, "usage: ipquery attr value rattribute\n"); exits("usage"); } void search(Ndb *db, char *attr, char *val, char **rattr, int nrattr) { Ndbtuple *t, *tt; tt = ndbipinfo(db, attr, val, rattr, nrattr); for(t = tt; t; t = t->entry) print("%s=%s ", t->attr, t->val); print("\n"); ndbfree(tt); } void main(int argc, char **argv) { Ndb *db; char *dbfile = 0; ARGBEGIN{ case 'f': dbfile = ARGF(); break; }ARGEND; if(argc < 3) usage(); db = ndbopen(dbfile); if(db == 0){ fprint(2, "no db files\n"); exits("no db"); } search(db, argv[0], argv[1], argv+2, argc-2); ndbclose(db); exits(0); }