View Compilation Error

0_0_19471937_8591.cpp: In function 'int main()':
0_0_19471937_8591.cpp:32:19: error: 'class KMP' has no member named 'next'
         memset(s->next, 0x00, sizeof s->next);
                   ^
0_0_19471937_8591.cpp:32:41: error: 'class KMP' has no member named 'next'
         memset(s->next, 0x00, sizeof s->next);
                                         ^
0_0_19471937_8591.cpp:32:45: error: 'memset' was not declared in this scope
         memset(s->next, 0x00, sizeof s->next);
                                             ^