View Compilation Error

0_0_11175991_6799.cpp:6: error: expected init-declarator before "void"
0_0_11175991_6799.cpp:6: error: expected `,' or `;' before "void"
0_0_11175991_6799.cpp: In function `int kmp(int, int)':
0_0_11175991_6799.cpp:29: error: `get_next' undeclared (first use this function)
0_0_11175991_6799.cpp:29: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11175991_6799.cpp:41: error: `cnt' undeclared (first use this function)
0_0_11175991_6799.cpp: In function `int main()':
0_0_11175991_6799.cpp:58: error: `cnt' undeclared (first use this function)