Network Layer Protocol IDs (libpcap/nlpid.h)

Header defining network-layer protocol identifier constants missing from some systems, used by libpcap packet capture code. Reuse when portable protocol ID definitions are needed.

// Source: https://github.com/nmap/nmap | License: LGPL-3.0 | Modified files must remain under LGPL-3.0
// Modifications to this file must remain under LGPL-3.0.
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/*
 * Copyright (c) 1996
 *	Juniper Networks, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
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... (truncated -- full source via MCP)