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git.ipfire.org Git - thirdparty/bird.git/blob - lib/checksum.h
2 * BIRD Library -- IP One-Complement Checksum
4 * (c) 1999 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
9 #ifndef _BIRD_CHECKSUM_H_
10 #define _BIRD_CHECKSUM_H_
13 * Both checksumming functions accept a vararg list of packet
14 * fragments finished by NULL pointer.
17 int ipsum_verify(void *frag
, unsigned len
, ...);
18 u16
ipsum_calculate(void *frag
, unsigned len
, ...);