34 	fprintf(stderr, "Usage: ... bpf ... [ index INDEX ]\n");  in explain()
35 	fprintf(stderr, "\n");  in explain()
36 	fprintf(stderr, "BPF use case:\n");  in explain()
37 	fprintf(stderr, " bytecode BPF_BYTECODE\n");  in explain()
38 	fprintf(stderr, " bytecode-file FILE\n");  in explain()
39 	fprintf(stderr, "\n");  in explain()
40 	fprintf(stderr, "eBPF use case:\n");  in explain()
41 	fprintf(stderr, " object-file FILE [ section ACT_NAME ] [ export UDS_FILE ]");  in explain()
42 	fprintf(stderr, " [ verbose ]\n");  in explain()
43 	fprintf(stderr, " object-pinned FILE\n");  in explain()
44 	fprintf(stderr, "\n");  in explain()
45 	fprintf(stderr, "Where BPF_BYTECODE := \'s,c t f k,c t f k,c t f k,...\'\n");  in explain()
46 	fprintf(stderr, "c,t,f,k and s are decimals; s denotes number of 4-tuples\n");  in explain()
47 	fprintf(stderr, "\n");  in explain()
48 	fprintf(stderr, "Where FILE points to a file containing the BPF_BYTECODE string,\n");  in explain()
49 	fprintf(stderr, "an ELF file containing eBPF map definitions and bytecode, or a\n");  in explain()
50 	fprintf(stderr, "pinned eBPF program.\n");  in explain()
51 	fprintf(stderr, "\n");  in explain()
52 	fprintf(stderr, "Where ACT_NAME refers to the section name containing the\n");  in explain()
53 	fprintf(stderr, "action (default \'%s\').\n", bpf_default_section(bpf_type));  in explain()
54 	fprintf(stderr, "\n");  in explain()
55 	fprintf(stderr, "Where UDS_FILE points to a unix domain socket file in order\n");  in explain()
56 	fprintf(stderr, "to hand off control of all created eBPF maps to an agent.\n");  in explain()
57 	fprintf(stderr, "\n");  in explain()
58 	fprintf(stderr, "Where optionally INDEX points to an existing action, or\n");  in explain()
59 	fprintf(stderr, "explicitly specifies an action index upon creation.\n");  in explain()
90 				fprintf(stderr, "Failed to retrieve (e)BPF data!\n");  in bpf_parse_opt()
135 				fprintf(stderr, "bpf: Illegal \"index\"\n");  in bpf_parse_opt()