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.TH megaco_flex_scanner 3 "megaco 3.8" "Ericsson AB" "ERLANG MODULE DEFINITION"
.SH MODULE
megaco_flex_scanner \- Interface module to the flex scanner linked in driver\&.
.SH DESCRIPTION
.LP
This module contains the public interface to the flex scanner linked in driver\&. The flex scanner performs the scanning phase of text message decoding\&.
.LP
The flex scanner is written using a tool called \fIflex\fR\&. In order to be able to compile the flex scanner driver, this tool has to be available\&.
.LP
By default the flex scanner reports line-number of an error\&. But it can be built without line-number reporting\&. Instead token number is used\&. This will speed up the scanning some 5-10%\&. Use \fI--disable-megaco-flex-scanner-lineno\fR when configuring the application\&.
.SH EXPORTS
.LP
.B
start() -> {ok, Port} | {error, Reason}
.br
.RS
.TP
Types
Port = port()
.br
Reason = term()
.br
.RE
.RS
.LP
This function is used to start the flex scanner\&. It locates the library and loads the linked in driver\&.
.LP
Note that the process that calls this function \fImust\fR be permament\&. If it dies, the port will exit and the driver unload\&.
.RE
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