-/*
- * Get pointer to the current position in the stream.
- *
- * return : pointer to the position
- */
-unsigned char *cio_getbp();
+/** @name Exported functions (see also openjpeg.h) */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Number of bytes left before the end of the stream
+@param cio CIO handle
+@return Returns the number of bytes before the end of the stream
+*/
+int cio_numbytesleft(opj_cio_t *cio);
+/**
+Get pointer to the current position in the stream
+@param cio CIO handle
+@return Returns a pointer to the current position
+*/
+unsigned char *cio_getbp(opj_cio_t *cio);
+/**
+Write some bytes
+@param cio CIO handle
+@param v Value to write
+@param n Number of bytes to write
+@return Returns the number of bytes written or 0 if an error occured
+*/
+unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n);
+/**
+Read some bytes
+@param cio CIO handle
+@param n Number of bytes to read
+@return Returns the value of the n bytes read
+*/
+unsigned int cio_read(opj_cio_t *cio, int n);
+/**
+Skip some bytes
+@param cio CIO handle
+@param n Number of bytes to skip
+*/
+void cio_skip(opj_cio_t *cio, int n);
+/* ----------------------------------------------------------------------- */
+/*@}*/