Hi Bo! :-)

 PS>> Keep care that your strings are always 0-terminated, otherwise this
 PS>> will run off the end of the string in strlen().
 BS> Yes the extra byte isn't nessersary after I did think of.
What I meant is that it is better to use/code something like strndup(). The
input string could miss a \0 character itself, in which case strdup() goes
off the end of the allocated memory of the string.

 BS> I get in a NULL terminated string:
 BS> H e l l o   W o r l d  \0   <- text + x
 BS> 0 1 2 3 4 5 6 7 8 9 10 11   <- x
 BS> strlen will return 11. So there will be space for \0.
No, strlen will return 10.

Ciao
Pascal

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