strncpy - Copy a length-limited, NUL-terminated string
char * strncpy (char * dest, const char * src, size_t count);
dest Where to copy the string to src Where to copy the string from count The maximum number of bytes to copy
The result is not NUL-terminated if the source exceeds count bytes. In the case where the length of src is less than that of count, the remainder of dest will be padded with NUL.