asn1_read_tag(3) libtasn1 asn1_read_tag(3)
NAME
asn1_read_tag - API function
SYNOPSIS
#include <libtasn1.h> int asn1_read_tag(asn1_node_const root, const char * name, int * tagValue, int * classValue);ARGUMENTS
asn1_node_const root
pointer to a structure
const char * name
the name of the element inside a structure.
int * tagValue
variable that will contain the TAG value.
int * classValue
variable that will specify the TAG type.
DESCRIPTION
Returns the TAG and the CLASS of one element inside a structure.
CLASS can have one of these constants:
ASN1_CLASS_APPLICATION,
ASN1_CLASS_UNIVERSAL,
ASN1_CLASS_PRIVATE or
ASN1_CLASS_CONTEXT_SPECIFIC.
RETURNS
ASN1_SUCCESS if successful,
ASN1_ELEMENT_NOT_FOUND if
name is not a valid element.
COPYRIGHT
Copyright (C) 2006-2022 Free Software Foundation, Inc..
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
libtasn1 is maintained as a Texinfo
manual. If the
info and
libtasn1 programs are properly installed at
your site, the command
info libtasn1 should give you access to the complete manual. As an alternative you
may obtain the manual from:
https://www.gnu.org/software/libtasn1/manual/libtasn1 4.19.0 asn1_read_tag(3)