Provided by: gnutls-doc_3.6.13-2ubuntu1.12_all 

NAME
gnutls_x509_crt_check_ip - API function
SYNOPSIS
#include <gnutls/x509.h>
unsigned gnutls_x509_crt_check_ip(gnutls_x509_crt_t cert, const unsigned char * ip, unsigned int ip_size,
unsigned int flags);
ARGUMENTS
gnutls_x509_crt_t cert
should contain an gnutls_x509_crt_t type
const unsigned char * ip
A pointer to the raw IP address
unsigned int ip_size
the number of bytes in ip (4 or 16)
unsigned int flags
should be zero
DESCRIPTION
This function will check if the IP allowed IP addresses in the certificate's subject alternative name
match the provided IP address.
RETURNS
non-zero for a successful match, and zero on failure.
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 2001-2020 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 notice 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 3.6.13 gnutls_x509_crt_check_ip(3)