default features: make musl usable without feature test macros

[musl] / include / sys / sendfile.h

diff --git a/include/sys/sendfile.h b/include/sys/sendfile.h
index ba9aa54..e7570d8 100644 (file)
--- a/include/sys/sendfile.h
+++ b/include/sys/sendfile.h
@@ -1,15 +1,16 @@
-#ifndef _SYS_INOTIFY_H
-#define _SYS_INOTIFY_H
+#ifndef _SYS_SENDFILE_H
+#define _SYS_SENDFILE_H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#include <features.h>
 #include <unistd.h>
 
 ssize_t sendfile(int, int, off_t *, size_t);
 
-#ifdef _LARGEFILE64_SOURCE
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
 #define sendfile64 sendfile
 #define off64_t off_t
 #endif