Write *len* bytes from *buf* into the *oid* object, starting at
offset *off*. The value of *len* must be <= UINT_MAX/2.
@note This will never return a positive value not equal to len.
@param io the io context in which the write will occur
@param oid name of the object
@param buf data to write
@param len length of the data, in bytes
@param off byte offset in the object to begin writing at
@returns 0 on success, negative error code on failure
Write *len* bytes from *buf* into the *oid* object, starting at offset *off*. The value of *len* must be <= UINT_MAX/2.
@note This will never return a positive value not equal to len. @param io the io context in which the write will occur @param oid name of the object @param buf data to write @param len length of the data, in bytes @param off byte offset in the object to begin writing at @returns 0 on success, negative error code on failure