Eroare de compilare: user.cpp:1:17: error: sdio.h: No such file or directory user.cpp:16:14: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:4: error: 'FILE' was not declared in this scope user.cpp:4: error: 'f' was not declared in this scope user.cpp:4: error: 'fopen' was not declared in this scope user.cpp:5: error: 'g' was not declared in this scope user.cpp:6: error: expected `)' before ';' token user.cpp:13: error: 'fprintf' was not declared in this scope