I got this warning message
"warning: control reaches end of non-void function"
May I know exactly what does it mean?
And what is the difference between the compiling option -O2 and -O3?
Thanks for your help!
I got this warning message
"warning: control reaches end of non-void function"
May I know exactly what does it mean?
And what is the difference between the compiling option -O2 and -O3?
Thanks for your help!