one_char
if (one_char(board, &b) != DLE || one_char(board, &b) != STX) {
ic = one_char(board, &b);
nc = one_char(board, &b);
c = one_char(board, &b);
if (one_char(board, &b) != DLE)
c = one_char(board, &b);
c = one_char(board, &b);