String termination – char c=0 vs char c=’\0′

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http://en.wikipedia.org/wiki/Ascii#ASCII_control_code_chart

Binary   Oct  Dec    Hex    Abbr    Unicode  Control char  C Escape code   Name
0000000  000  0      00     NUL     ␀       ^@            \0              Null character

There’s no difference, but the more idiomatic one is '\0'.

Putting it down as char c = 0; could mean that you intend to use it as a number (e.g. a counter). '\0' is unambiguous.

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