本文主要是介绍conflicting types for ‘copy_file_range’，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
编译 QIHUA-X40I 报错如下：
./…/misc/create_inode.c:395:18: error: conflicting types for ‘copy_file_range’
static errcode_t copy_file_range(ext2_filsys fs, int fd, ext2_file_t e2_file,
^
In file included from ./…/misc/create_inode.c:19:0:
/usr/include/unistd.h:1110:9: note: previous declaration of ‘copy_file_range’ was here
ssize_t copy_file_range (int __infd, __off64_t *__pinoff,
^
解决办法：
buildroot-2017.02.3/output/build/host-e2fsprogs-1.43.3/misc/create_inode.c
屏蔽掉 #include <unistd.h>
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