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strcpy() — Copy Strings The strcpy() function copies string2, including the ending null character, to the location that is specified by string1. The strcpy() function operates on null-ended strings. The string arguments to the function should contain a null character (\0) that marks the end of the string.
C strings are null-terminated. That is, they are terminated by the null character, NUL . They are not terminated by the null pointer NULL , which is a completely different kind of value with a completely different purpose. NUL is guaranteed to have the integer value zero.
Strings are actually one-dimensional array of characters terminated by a null character '\0'. Thus a null-terminated string contains the characters that comprise the string followed by a null.
The null character is only used to signify the end of a string, and should not be printed. More than one call to printf() can contribute to the same 'formatted line'.
I think the smart way is to do it simply.
string str = "An example string" + char.MinValue; // Add null terminator.
Then convert it into bytes to send to the server.
byte[] buffer = ASCIIEncoding.ASCII.GetBytes(str);
Of course what encoding you use depends on what encoding the server expects.
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