Address of a variable: Difference between revisions

Line 36:

a card reader, a card punch or a line printer, or even to a set up in

nuclear physics the results of which are collected by the computer),

or to a filestore maintained by the operating system.</i>

or to a filestore maintained by the operating system</i>[http://www.xs4all.nl/~jmvdveer/report_5.html#A312aa].

To establish a channel with such a device there is a special standard procedure:<pre>

PROC establish = (REF FILE file, STRING idf, CHANNEL chan, INT p, l, c) INT: ~ </pre>

Where the <code>idf</code> string is text describing which device to open, and possibly ~~options.~~

Where the <code>idf</code> string is text describing which device to open, and possibly

And <code>chan</code> is the actual device type. Standard ~~CHANNEL~~ in ~~ALGOL 68 are <code>stand in chan</code>,~~

options. And <code>chan</code> is the actual device type. Standard CHANNELs in

<code>stand ~~out~~ chan</code>, ~~and~~ <code>stand ~~back~~ chan</code>. ~~Site would be expected to implement their~~ ~~own~~

ALGOL 68 are <code>stand in chan</code>, <code>stand out chan</code>, and <code>stand

back chan</code>. These determine the type of the pre opened stdio FILEs <code>stand in</code>,

~~CHANNELS~~ for database queries and particle accelerators etc.

<code>stand out</code>, and <code>stand back</code>. A site would be expected to

implement their own CHANNELs for network connections, database queries and particle accelerators etc.

=={{header|C sharp|C #}}==