Delete unnecessary 'extern' keywords.

Originally committed as revision 15990 to svn://svn.ffmpeg.org/ffmpeg/trunk

6 files changed, 9 insertions, 9 deletions

diff --git a/libavformat/asf.c b/libavformat/asf.c
index 0faa46fae8..695cfeca75 100644
--- a/libavformat/asf.c
+++ b/libavformat/asf.c
@@ -26,7 +26,7 @@
 #include "asf.h"
 #include "asfcrypt.h"
 
-extern void ff_mms_set_stream_selection(URLContext *h, AVFormatContext *format);
+void ff_mms_set_stream_selection(URLContext *h, AVFormatContext *format);
 
 #undef NDEBUG
 #include <assert.h>
diff --git a/libavformat/framehook.h b/libavformat/framehook.h
index 9dc144b0d4..0bad6067ac 100644
--- a/libavformat/framehook.h
+++ b/libavformat/framehook.h
@@ -45,8 +45,8 @@ typedef void (FrameHookRelease)(void *ctx);
 typedef FrameHookRelease *FrameHookReleaseFn;
 extern FrameHookRelease Release;
 
-extern int frame_hook_add(int argc, char *argv[]);
-extern void frame_hook_process(struct AVPicture *pict, enum PixelFormat pix_fmt, int width, int height, int64_t pts);
-extern void frame_hook_release(void);
+int frame_hook_add(int argc, char *argv[]);
+void frame_hook_process(struct AVPicture *pict, enum PixelFormat pix_fmt, int width, int height, int64_t pts);
+void frame_hook_release(void);
 
 #endif /* AVFORMAT_FRAMEHOOK_H */
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 48aca43d46..f1212853ba 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -38,8 +38,8 @@ typedef struct PESContext PESContext;
 
 static PESContext* add_pes_stream(MpegTSContext *ts, int pid, int pcr_pid, int stream_type);
 static AVStream* new_pes_av_stream(PESContext *pes, uint32_t code);
-extern void av_set_program_name(AVProgram *program, char *provider_name, char *name);
-extern void av_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx);
+void av_set_program_name(AVProgram *program, char *provider_name, char *name);
+void av_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx);
 
 enum MpegTSFilterType {
     MPEGTS_PES,
diff --git a/libavformat/oggdec.h b/libavformat/oggdec.h
index 1a73fe0bcb..d238e99a4b 100644
--- a/libavformat/oggdec.h
+++ b/libavformat/oggdec.h
@@ -85,6 +85,6 @@ extern const struct ogg_codec ff_speex_codec;
 extern const struct ogg_codec ff_theora_codec;
 extern const struct ogg_codec ff_vorbis_codec;
 
-extern int vorbis_comment(AVFormatContext *ms, uint8_t *buf, int size);
+int vorbis_comment(AVFormatContext *ms, uint8_t *buf, int size);
 
 #endif /* AVFORMAT_OGGDEC_H */
diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c
index 1f0bcfe89c..a1eb20dea2 100644
--- a/libavformat/oggparsevorbis.c
+++ b/libavformat/oggparsevorbis.c
@@ -30,7 +30,7 @@
 #include "avformat.h"
 #include "oggdec.h"
 
-extern int
+int
 vorbis_comment(AVFormatContext * as, uint8_t *buf, int size)
 {
     const uint8_t *p = buf;
diff --git a/libavformat/os_support.h b/libavformat/os_support.h
index 2fd3112b7e..0b6a292d6d 100644
--- a/libavformat/os_support.h
+++ b/libavformat/os_support.h
@@ -93,7 +93,7 @@ struct pollfd {
 #define POLLNVAL   0x1000  /* invalid file descriptor */
 
 
-extern int poll(struct pollfd *fds, nfds_t numfds, int timeout);
+int poll(struct pollfd *fds, nfds_t numfds, int timeout);
 #endif /* HAVE_POLL_H */
 #endif /* CONFIG_FFSERVER */
 #endif /* CONFIG_NETWORK */