src/com/chenlb/mmseg4j/Dictionary.java
public int search(CharNode node, char[] sen, int offset, int tailLen) {
		if(node != null) {
			return node.indexOf(sen, offset, tailLen);
		}
		return -1;
	}
public int search(CharNode node, char[] sen, int offset, int tailLen) {
		if(node != null) {
			return node.indexOf(sen, offset, tailLen);
		}
		return -1;
	}
sen[offset] 后 tailLen 长的词是否存在.
@see CharNode#indexOf(char[], int, int)
@author chenlb 2009-4-8 下午11:13:49