Compilare: user.c: In function ‘main’: user.c:90:5: warning: useless type name in empty declaration [enabled by default] int ; ^ user.c: In function ‘put’: user.c:10:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:91:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare1.in","r",stdin); ^ user.c:92:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare1.out","w",stdout); ^