View Compilation Error

0_0_16461939_21392.cpp: In function 'Status InitList(DuLNode**)':
0_0_16461939_21392.cpp:32:16: error: 'OVERFLOW' was not declared in this scope
         return OVERFLOW;
                ^
0_0_16461939_21392.cpp: In function 'Status ListInsert(DuLinkList, int, ElemType)':
0_0_16461939_21392.cpp:83:16: error: 'OVERFLOW' was not declared in this scope
         return OVERFLOW;
                ^