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asn1_read_tag(3)                   libtasn1                   asn1_read_tag(3)


asn1_read_tag - API function


#include <libtasn1.h> int asn1_read_tag(asn1_node_const root, const char * name, int * tagValue, int * classValue);


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.


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.


ASN1_SUCCESS if successful, ASN1_ELEMENT_NOT_FOUND if name is not a valid element.


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.


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)

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