/* in_cksum.h * Declaration of Internet checksum routine. * * $Id: in_cksum.h 12117 2004-09-28 00:06:32Z guy $ */ typedef struct { const guint8 *ptr; int len; } vec_t; extern int in_cksum(const vec_t *vec, int veclen); extern guint16 in_cksum_shouldbe(guint16 sum, guint16 computed_sum);