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-rw-r--r--libavcodec/os_support.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/libavcodec/os_support.h b/libavcodec/os_support.h
index 2163381bd4..ab4cb98ae6 100644
--- a/libavcodec/os_support.h
+++ b/libavcodec/os_support.h
@@ -1,11 +1,13 @@
#ifndef _OS_SUPPORT_H
#define _OS_SUPPORT_H
-/*
- * miscellaneous OS support macros/function
+/**
+ * @file os_support.h
+ * miscellaneous OS support macros and functions.
*
- * For now:
- * usleep()
+ * - usleep() (Win32, BeOS, OS/2)
+ * - floatf() (OS/2)
+ * - strcasecmp() (OS/2)
*/
#ifdef __MINGW32__