Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:37:15: error: ‘strlen’ was not declared in this scope l = strlen(s); ^ user.cpp:38:19: error: ‘strcpy’ was not declared in this scope strcpy(s + l, s1); ^ user.cpp:44:20: error: ‘strcpy’ was not declared in this scope strcpy(mt[i], cuv); ^ user.cpp:49:14: error: ‘strlen’ was not declared in this scope l = strlen(s); ^ user.cpp:57:29: error: ‘memset’ was not declared in this scope memset(cuv, 0, sizeof(cuv)); ^