recvfile
static void recvfile(struct formats *, int, int);
{ "netascii", validate_access, sendfile, recvfile, 1 },
{ "octet", validate_access, sendfile, recvfile, 0 },
void recvfile(int, const char *, const char *);
recvfile(fd, src, mode);
recvfile(fd, src, mode);