WordPress at a glance
function is not described

setup_blog_cache_dir() WPSCache 1.0

No Hooks.

Return

null. Nothing.

Usage

setup_blog_cache_dir();

Code of setup_blog_cache_dir() WPSCache 1.7.3

<?php
function setup_blog_cache_dir() {
	global $blog_cache_dir, $cache_path;
	if( false == @is_dir( $blog_cache_dir ) ) {
		@mkdir( $cache_path . "blogs" );
		@mkdir( $blog_cache_dir );
	}

	if( false == @is_dir( $blog_cache_dir . 'meta' ) )
		@mkdir( $blog_cache_dir . 'meta' );
}