Strings without a '\0' char?

Question

If by mistake,I define a char array with no \\0 as its last character, what happens then?

I\'m asking this because I noticed that if I try to iterate th

Answer 1

EDIT (undefined behaviour)

Accessing array elements outside of the array boundaries is undefined behaviour.
Calling string functions with anything other than a C string is undefined behaviour.
Don't do it!

A C string is a sequence of bytes terminated by and including a '\0' (NUL terminator). All the bytes must belong to the same object.

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Anyway, what you see is a coincidence!

But it might happen like this

                        ,------------------ garbage
                        | ,---------------- str[cnt] (when cnt == 4, no bounds-checking)
memory ----> [...|d|o|h|*|0|0|0|4|...]
                  |   |   \_____/  -------- cnt (big-endian, properly 4-byte aligned)
                  \___/  ------------------ str