<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="GENERATOR" content="Microsoft FrontPage 2.0"> <title>dp_recv</title> </head> <body> <h3>dp_recv</h3> <p><strong>Syntax</strong></p> <pre>dp_recv <em>chanId</em></pre> <p><strong>Comments</strong></p> <p>dp_recv allows one to bypass the Tcl I/O layer and call the channel's receive method directly. There are several problems with Tcl's I/O system because it buffers data internally and it is line or file-based.</p> <p>dp_recv calls the channel's receive method <strong>once</strong> and returns the received data.</p> <p><strong>Examples</strong></p> <pre>set a [dp_recv $chan]</pre> </body> </html>