github.com/afumu/libc@v0.0.6/musl/src/linux/syncfs.c (about)

     1  #define _GNU_SOURCE
     2  #include <unistd.h>
     3  #include "syscall.h"
     4  
     5  int syncfs(int fd)
     6  {
     7  	return syscall(SYS_syncfs, fd);
     8  }