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.de Id
..
.Id $Id"
.TH ASN1C 1 "\*(Dt" "ASN.1 Compiler" "ASN.1 Compiler"
.SH NAME
asn1c \- ASN.1 Compiler
.ND ASN.1 compiler
.SH SYNOPSIS
.B asn1c
.RI "[ " option " | " filename " ].\|.\|."
.SH DESCRIPTION
asn1c is a tool to compile the ASN.1 specifications into C language structures
and accompanying routines to perform data encoding and decoding.
.SH OPTIONS
.TP
.B Overall Options
\-E
\-F
\-L
\-P
\-R
.RI "\-S " directory
.RI "\-t " data-string
.TP
.B Language Options
.br
\-ftypes88
\-fnative-integers
\-fno-c99
\-funnamed-unions
.TP
.B Output Options
.br
\-print-constraints
.TP
.B Warning Options
.br
\-Werror
\-Wdebug-lexer
\-Wdebug-fixer
\-Wdebug-compiler
.SH OVERALL OPTIONS
.TP
.B \-E
Stop after the parsing stage. The output is a reconstructed ASN.1
specification code, which is sent to the standard output.
.TP
.B \-F
Used together with \c
.B \-E\c
, instructs the compiler to stop after the ASN.1 syntax
tree fixing stage and dump the reconstructed ASN.1 specification
to the standard output.
.TP
.B \-L
Generate "-- #line" comments in
.B -E
output.
.TP
.B \-P
Dump the compiled output to the standard output instead of creating the
target language files on disk.
.TP
.B \-R
Restrict the compiler to generate only the ASN.1 tables,
omitting the usual support code.
.TP
.B \-S directory
Use the specified directory with ASN.1 skeleton files.
.TP
.B \-t data-string
Interpret the data-string as a sequence of hexadecimal values representing
the start of BER TLV encoding. Print the human readable explanation.
.SH LANGUAGE OPTIONS
.TP
.B \-ftypes88
Use only ASN.1:1988 embedded types.
.TP
.B \-fnative-integers
Use native machine's integer types whenever possible,
instead of the complex ASN.1 INTEGER and ENUMERATED types.
.TP
.B \-fno-c99
Disable use of certain C99 extensions, like designated initializers.
.TP
.B \-funnamed-unions
Enable unnamed unions in structures definitions.
.SH OUTPUT OPTIONS
.TP
.B \-print-constraints
When -EF are also specified, this option forces the compiler to explain
its internal understanding of subtype constraints.
.SH WARNING OPTIONS
.TP
.B \-Werror
Treat warnings as errors; abort if any warning is produced.
.TP
.B \-Wdebug-lexer
Enable lexer debugging during the ASN.1 parsing stage.
.TP
.B \-Wdebug-fixer
Enable ASN.1 syntax tree fixer debugging during the fixing stage.
.TP
.B \-Wdebug-compiler
Enable debugging during the actual compile time.
.SH AUTHORS
Lev Walkin <vlm@lionet.info>
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