added comments

#include "memdebug.h"

#endif

/* Emulate a connect-then-transfer protocol. We connect to the file here */

/*

 * Curl_file_connect() gets called from Curl_protocol_connect() to allow us to

 * do protocol-specific actions at connect-time.  We emulate a

 * connect-then-transfer protocol and "connect" to the file here

 */

CURLcode Curl_file_connect(struct connectdata *conn)

{

  char *real_path = curl_unescape(conn->path, 0);

#define lseek(x,y,z) _lseeki64(x, y, z)

#endif

/* This is the do-phase, separated from the connect-phase above */

/*

 * Curl_file() is the protocol-specific function for the do-phase, separated

 * from the connect-phase above. Other protocols merely setup the transfer in

 * the do-phase, to have it done in the main transfer loop but since some

 * platforms we support don't allow select()ing etc on file handles (as

 * opposed to sockets) we instead perform the whole do-operation in this

 * function.

 */

CURLcode Curl_file(struct connectdata *conn)

{

  /* This implementation ignores the host name in conformance with