39 	struct hist_key key = {}, next_key;  in print_hist_for_pid()  local
47 	while (bpf_get_next_key(fd, &key, &next_key) == 0) {  in print_hist_for_pid()
49 			key = next_key;  in print_hist_for_pid()
59 		key = next_key;  in print_hist_for_pid()
74 	struct hist_key key = {}, next_key;  in print_hist()  local
79 	while (bpf_get_next_key(fd, &key, &next_key) == 0) {  in print_hist()
87 		key = next_key;  in print_hist()
109 	long key, next_key, value;  in main()  local
131 		key = 0;  in main()
132 		while (bpf_get_next_key(map_fd[0], &key, &next_key) == 0) {  in main()
135 			key = next_key;  in main()
137 		if (key)  in main()