Remove residual use of the doxygen markup which is deprecated,

consistent with r19122.

Originally committed as revision 20989 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h263.c

@@ -3420,7 +3420,7 @@ void ff_mpeg4_clean_buffers(MpegEncContext *s)
  * finds the next resync_marker
  * @param p pointer to buffer to scan
  * @param end pointer to the end of the buffer
- * @return pointer to the next resync_marker, or \p end if none was found
+ * @return pointer to the next resync_marker, or end if none was found
  */
 const uint8_t *ff_h263_find_resync_marker(const uint8_t *restrict p, const uint8_t * restrict end)
 {

libavformat/rtsp.c

@@ -933,7 +933,7 @@ static void rtsp_skip_packet(AVFormatContext *s)
  * @param s RTSP demuxer context
  * @param reply pointer where the RTSP message header will be stored
  * @param content_ptr pointer where the RTSP message body, if any, will
- *                    be stored (length is in \p reply)
+ *                    be stored (length is in reply)
  * @param return_on_interleaved_data whether the function may return if we
  *                   encounter a data marker ('$'), which precedes data
  *                   packets over interleaved TCP/RTSP connections. If this

libavutil/mem.h

@@ -67,7 +67,7 @@ void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1);
 
 /**
  * Allocates or reallocates a block of memory.
- * If ptr is NULL and size > 0, allocates a new block. If \p
+ * If ptr is NULL and size > 0, allocates a new block. If
  * size is zero, frees the memory block pointed to by ptr.
  * @param size Size in bytes for the memory block to be allocated or
  * reallocated.