git: 9front

ref: 6a66ca0ffda005ddf8fd858f7ed9abcf6af2cc60
dir: /sys/src/ape/lib/ap/plan9/fsync.c/

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#include <sys/types.h>
#include <unistd.h>
#include <errno.h>

int
fsync(int)
{
	errno = EINVAL;
	return -1;
}