.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.
.TH "asn1_read_tag" 3 "4.19.0" "libtasn1" "libtasn1"
.SH NAME
asn1_read_tag \- API function
.SH SYNOPSIS
.B #include <libtasn1.h>
.sp
.BI "int asn1_read_tag(asn1_node_const " root ", const char * " name ", int * " tagValue ", int * " classValue ");"
.SH ARGUMENTS
.IP "asn1_node_const root" 12
pointer to a structure
.IP "const char * name" 12
the name of the element inside a structure.
.IP "int * tagValue" 12
variable that will contain the TAG value.
.IP "int * classValue" 12
variable that will specify the TAG type.
.SH "DESCRIPTION"
Returns the TAG and the CLASS of one element inside a structure.
CLASS can have one of these constants: \fBASN1_CLASS_APPLICATION\fP,
\fBASN1_CLASS_UNIVERSAL\fP, \fBASN1_CLASS_PRIVATE\fP or
\fBASN1_CLASS_CONTEXT_SPECIFIC\fP.
.SH "RETURNS"
\fBASN1_SUCCESS\fP if successful, \fBASN1_ELEMENT_NOT_FOUND\fP if
 \fIname\fP is not a valid element.
.SH COPYRIGHT
Copyright \(co 2006-2022 Free Software Foundation, Inc..
.br
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.
.SH "SEE ALSO"
The full documentation for
.B libtasn1
is maintained as a Texinfo manual.  If the
.B info
and
.B libtasn1
programs are properly installed at your site, the command
.IP
.B info libtasn1
.PP
should give you access to the complete manual.
As an alternative you may obtain the manual from:
.IP
.B https://www.gnu.org/software/libtasn1/manual/
.PP