int sock_connect(char *host, char *service, char *protocol);
int sock_read_to(int *sock, char *buf, int bytes, int timeout, int keep_reading_until_full);
int sock_read(int *sock, char *buf, int bytes, int keep_reading_until_full);
-int sock_write(int *sock, char *buf, int nbytes);
+int sock_write(int *sock, const char *buf, int nbytes);
int ml_sock_gets(int *sock, char *buf);
int sock_getln(int *sock, char *buf, int bufsize);
int CtdlSockGetLine(int *sock, StrBuf *Target);