#define SUBSCRIBE_METHOD 901 
#define UNSUBSCRIBE_METHOD 902 
  int  initMailTo(char ***protocols, int *nrprotocols);
 int openMailTo(const char *url, int method, int flags, const char *referer);
  int  infoMailTo(int fd, W3ADocumentInfo *buf);
  int  doneMailTo(int fd);
 int peekMailTo(int fd);
 int readMailTo(int fd, char *buf, size_t nbytes);
 int writeMailTo(int fd, const char *buf, size_t nbytes);
  int  closeMailTo(int fd);
  int  deleteMailTo(const char *url);