Eroare de compilare: user.cpp: In constructor ‘Trie::Trie()’: user.cpp:14: error: ‘memset’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:57: error: ‘fopen’ was not declared in this scope user.cpp:59: error: ‘fscanf’ was not declared in this scope user.cpp:62: error: ‘fgets’ was not declared in this scope user.cpp:63: error: ‘strlen’ was not declared in this scope user.cpp:66: error: ‘fclose’ was not declared in this scope user.cpp:74: error: ‘fgets’ was not declared in this scope user.cpp:75: error: ‘strlen’ was not declared in this scope user.cpp:91: error: ‘fprintf’ was not declared in this scope user.cpp:93: error: ‘fprintf’ was not declared in this scope