Compilare: user.cpp: In function ‘void citeste()’: user.cpp:30: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result user.cpp:37: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:78: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:79: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result /tmp/ccfwGnVG.o: In function `citeste()': user.cpp:(.text+0x1e1): warning: the `gets' function is dangerous and should not be used.