08-21-2002
You don't need to explicitly compile and then link the .c file. Instead, executing:
Quote:
gcc filename.c -o filename
will first compile, then link, and the executable will be called filename.
Anyway, since you asked how you would link, the command is ld. See man pages on the same to learn how.
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LEARN ABOUT PHP
eio_readlink
EIO_READLINK(3) 1 EIO_READLINK(3)
eio_readlink - Read value of a symbolic link.
SYNOPSIS
resource eio_readlink (string $path, int $pri, callable $callback, [string $data = NULL])
DESCRIPTION
PARAMETERS
o $path
- Source symbolic link path
o $pri
-The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO_PRI_MAX, or NULL. If NULL passed, $pri internally is set to
EIO_PRI_DEFAULT.
o $callback
-$callback function is called when the request is done. It should match the following prototype:
void callback(mixed $data, int $result[, resource $req]);
o $data
-is custom data passed to the request.
o $result
-request-specific result value; basically, the value returned by corresponding system call.
o $req
-is optional request resource which can be used with functions like eio_get_last_error(3)
o $data
- Arbitrary variable passed to $callback.
RETURN VALUES
eio_readlink(3) returns request resource on success or FALSE on error.
EXAMPLES
Example #1
eio_readlink(3) example
<?php
$filename = dirname(__FILE__)."/symlink.dat";
touch($filename);
$link = dirname(__FILE__)."/symlink.link";
$hardlink = dirname(__FILE__)."/hardlink.link";
function my_hardlink_cb($data, $result) {
global $link, $filename;
var_dump(file_exists($data) && !is_link($data));
@unlink($data);
eio_symlink($filename, $link, EIO_PRI_DEFAULT, "my_symlink_cb", $link);
}
function my_symlink_cb($data, $result) {
global $link, $filename;
var_dump(file_exists($data) && is_link($data));
if (!eio_readlink($data, EIO_PRI_DEFAULT, "my_readlink_cb", NULL)) {
@unlink($link);
@unlink($filename);
}
}
function my_readlink_cb($data, $result) {
global $filename, $link;
var_dump($result);
@unlink($link);
@unlink($filename);
}
eio_link($filename, $hardlink, EIO_PRI_DEFAULT, "my_hardlink_cb", $hardlink);
eio_event_loop();
?>
The above example will output something similar to:
bool(true)
bool(true)
string(16) "/tmp/symlink.dat"
SEE ALSO eio_symlink.
PHP Documentation Group EIO_READLINK(3)