Multiple character extraction.
Declared in <bslstl_syncbuf.h>
virtual
streamsize
xsgetn(
char_type* __s,
streamsize __n);Fills __s[0] through __s[] with characters from the input sequence, as if by sbumpc(). Stops when either __n characters have been copied, or when traits::eof() would be copied.
It is expected that derived classes provide a more efficient implementation by overriding this definition.
The number of characters assigned.
| Name | Description |
|---|---|
| __s | A buffer area. |
| __n | Maximum number of characters to assign. |