Concatenates a string to another one, specifying size.


char *ustrzncat(char *dest, int size, const char *src, int n);
This function is like ustrzcat() except that no more than `n' characters from `src' are appended to the end of `dest'. If the terminating null character in `src' is reached before `n' characters have been written, the null character is copied, but no other characters are written. Note that `dest' is guaranteed to be null-terminated.
The return value is the value of `dest'.

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