gnutls_record_recv_seq(3) gnutls gnutls_record_recv_seq(3)
NAME
gnutls_record_recv_seq - API function
SYNOPSIS
#include <gnutls/gnutls.h>
ssize_t gnutls_record_recv_seq(gnutls_session_t session, void * data,
size_t data_size, unsigned char * seq);
ARGUMENTS
gnutls_session_t session
is a gnutls_session_t type.
void * data the buffer that the data will be read into
size_t data_size
the number of requested bytes
unsigned char * seq
is the packet's 64-bit sequence number. Should have space
for 8 bytes.
DESCRIPTION
This function is the same as gnutls_record_recv(), except that it re-
turns in addition to data, the sequence number of the data. This is
useful in DTLS where record packets might be received out-of-order. The
returned 8-byte sequence number is an integer in big-endian format and
should be treated as a unique message identification.
RETURNS
The number of bytes received and zero on EOF. A negative error code is
returned in case of an error. The number of bytes received might be
less than data_size .
SINCE
3.0
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 2001- Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright no-
tice and this notice are preserved.
SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/ directory does not contain the HTML form
visit
https://www.gnutls.org/manual/
gnutls 3.7.3 gnutls_record_recv_seq(3)
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