38 static void check_bytes(char *addr)  in check_bytes()  argument
40 	printf("First hex is %x\n", *((unsigned int *)addr));  in check_bytes()
43 static void write_bytes(char *addr)  in write_bytes()  argument
48 		*(addr + i) = (char)i;  in write_bytes()
51 static int read_bytes(char *addr)  in read_bytes()  argument
55 	check_bytes(addr);  in read_bytes()
57 		if (*(addr + i) != (char)i) {  in read_bytes()
66 	void *addr;  in main()  local
75 	addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, fd, 0);  in main()
76 	if (addr == MAP_FAILED) {  in main()
82 	printf("Returned address is %p\n", addr);  in main()
83 	check_bytes(addr);  in main()
84 	write_bytes(addr);  in main()
85 	ret = read_bytes(addr);  in main()
87 	munmap(addr, LENGTH);  in main()