#include <unistd.h>
void sync(void);
Declared, not implemented
IEEE Std 1003.1-2017
The sync() function shall cause all information in memory that updates file systems to be scheduled for writing out to
all file systems.
The writing, although scheduled, is not necessarily complete upon return from sync().
The sync() function shall not return a value.
No errors are defined.
Untested
None