Yes they are ! Global variables have static storage duration and are therefore default initialized. Be careful with the word 'static' which does not always corr

Yes they are ! Global variables have static storage duration and are therefore default initialized. Be careful with the word 'static' which does not always correspond to the the keyword static which has several meaning ! When used with a global variable the static keyword has not the same meaning as static storage duration". It only means no external linkage.