third_party/musl/src/linux/syncfs.c - cobalt - Git at Google

 #define _GNU_SOURCE
 #include <unistd.h>
 #include "syscall.h"

 int syncfs(int fd)
 {
 	return syscall(SYS_syncfs, fd);
 }
	#define _GNU_SOURCE
	#include <unistd.h>
	#include "syscall.h"

	int syncfs(int fd)
	{
	return syscall(SYS_syncfs, fd);
	}