LINUX_XATTR_NAME_MAX
char uname[LINUX_XATTR_NAME_MAX + 1], *dot;
char attrname[LINUX_XATTR_NAME_MAX + 1];
char attrname[LINUX_XATTR_NAME_MAX + 1];
char attrname[LINUX_XATTR_NAME_MAX + 1];
char attrname[LINUX_XATTR_NAME_MAX + 1];