Compilare: user.cpp: In function ‘void dostuff(char*)’: user.cpp:14: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:14: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:20: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:33: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp: In function ‘int main()’: user.cpp:47: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result /tmp/ccQJJfGJ.o: In function `main': user.cpp:(.text+0x218): warning: the `gets' function is dangerous and should not be used.