34     void* map;  in main()  local
54     map = mmap(NULL, sizeof(src), PROT_READ, MAP_SHARED, fd, 0);  in main()
55     assert(map != MAP_FAILED);  in main()
56     rc = memcmp(src, map, sizeof(src));  in main()
63     rc = memcmp(src, map, sizeof(src));  in main()
69     rc = memcmp(src, map, sizeof(src));  in main()
75     rc = memcmp(src, map, sizeof(src));  in main()
81     rc = memcmp(src, map, sizeof(src));  in main()
90     map = mmap(NULL, sizeof(src), PROT_READ, MAP_SHARED, fd, 0);  in main()
91     assert(map != MAP_FAILED);  in main()
92     rc = memcmp(src, map, sizeof(src));  in main()
95     munmap(map, sizeof(src));  in main()