View Compilation Error

0_0_22256687_3139.cpp:8:8: error: 'MAXNCHPL' was not declared in this scope
 char w[MAXNCHPL + 1];//word，存放单?
        ^
0_0_22256687_3139.cpp: In function 'int main()':
0_0_22256687_3139.cpp:19:23: error: 'w' was not declared in this scope
  while ( ~scanf("%s", w) ) {
                       ^
0_0_22256687_3139.cpp:30:8: error: 'MAXNCHPL' was not declared in this scope
    i = MAXNCHPL;
        ^
0_0_22256687_3139.cpp:56:23: error: 'MAXNCHPL' was not declared in this scope
   if ( cnt + wl + 1 > MAXNCHPL ) {//如果已经在行中间位置，并?   //加上当前单词后超出行?0个字?
                       ^