Macros starting with `d' in net

• DECODEL net/slcompress.c:115
• DECODES net/slcompress.c:124
• DECODEU net/slcompress.c:133
• D_ISFREE net/bpf.c:303
• D_MARKFREE net/bpf.c:304
• D_MARKUSED net/bpf.c:305