in_cksum(SLIB-osr5)
in_cksum --
compute the Internet checksum
Syntax
cc ... -lsocket
int
in_cksum(buf, len)
const u_short *buf;
int len;
Description
in_cksum computes the Internet checksum over len bytes of
the supplied buffer. buf is expected to be short-word aligned.
For details on the Internet checksum algorithm, see RFC 1071.
Standards conformance
in_cksum is conformant with:
RFC 1071
© 2005 The SCO Group, Inc. All rights reserved.
SCO OpenServer Release 6.0.0 -- 02 June 2005