bsl::basic_istringstream::sync

Synchronizing the stream buffer.

Synopsis

Declared in <bslstl_istringstream.h>

int
sync();

If rdbuf() is a null pointer, returns ‐1.

Otherwise, calls rdbuf()‐>pubsync(), and if that returns ‐1, sets badbit and returns ‐1.

Otherwise, returns 0.

Note	This function does not count the number of characters extracted, if any, and therefore does not affect the next call to `gcount().`

0 on success, ‐1 on failure

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