Copies a string into another one, specifying size.


char *ustrncpy(char *dest, const char *src, int n);
This function is like ustrcpy() except that no more than `n' characters from `src' are copied into `dest'. If `src' is shorter than `n' characters, null characters are appended to `dest' as padding until `n' characters have been written.

Note that if `src' is longer than `n' characters, `dest' will not be null-terminated.
The return value is the value of `dest'.

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