Eroare de compilare: user.cpp: In function ‘void init()’: user.cpp:20: error: ‘memcpy’ was not declared in this scope user.cpp:18: warning: unused variable ‘j’ user.cpp: In function ‘int main()’: user.cpp:56: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:60: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result