n
C-language string :
A C-language string consists of one or more characters.
The last character of the string is always the NULL (\x00)
character. Therefore, the length of a C-language string is
determined by the position of the NULL character.
Example : "hello world"
'h'
'e'
'l'
'l'
'o'
' '
'w'
'o'
'r'
'l'
'd'
NULL
\x68
\x65
\x6c
\x6c
\x6f
\x20
\x77
\x6f
\x72
\x6c
\x64
\x00
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