Eroare de compilare: user.cpp: In function ‘void kmp(const char*, const char*, int, int)’: user.cpp:14: error: ‘strlen’ was not declared in this scope user.cpp:22: warning: suggest parentheses around comparison in operand of ‘&’ user.cpp:14: warning: unused variable ‘N’ user.cpp: In function ‘int main()’: user.cpp:62: error: ‘strlen’ was not declared in this scope user.cpp:67: error: ‘strtok’ was not declared in this scope