避免数组或指针的下标越界,特别要当心发生“多 1”或者“少 1” 操作
避免数组或指针的下标越界,特别要当心发生“多 1”或者“少 1” 操作。
1 #include <iostream> 2 #include <string.h> 3 4 5 using namespace std; 6 7 char string[80]; 8 char seps[] = " ,\t\n"; 9 char *token; 10 /* run this program using the console pauser or add your own getch, system("pause") or input loop */ 11 12 int main(int argc, char** argv) { 13 //从键盘上输入两个语句 14 for (int i=1;i<3;i++) { 15 cout<<"Please input a sentence:"<<endl; 16 //整行输入 17 cin.getline(string,80); 18 cout<<"Tokens:"<<endl; 19 //首次分离字符串 20 token = strtok( string, seps ); 21 while( token != NULL ) //结束分离判断 22 { 23 cout<<token<<endl; 24 //下次分离字符串 25 token = strtok( NULL, seps ); 26 } 27 } 28 }