Read the specified numChars to the specified destination. Return the number of characters successfully read. The behavior is undefined unless 0 <= numChars.
Declared in <bdlbb_blobstreambuf.h>
virtual
std::streamsize
xsgetn(
char_type* destination,
std::streamsize numChars) override;
number of characters successfully read
| Name | Description |
|---|---|
| destination | buffer that receives characters |
| numChars | number of characters to read |