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diff --git a/src/file.c b/src/file.c
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index fc9dd13..0b9198a 100644
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--- a/src/file.c
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+++ b/src/file.c
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@@ -69,7 +69,7 @@ public void FileFreeLine( file_t *f )
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 }
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 #ifdef USE_INTERNAL_IOBUF
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-public inline int IobufGetc( iobuf_t *iobuf )
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+extern public inline int IobufGetc( iobuf_t *iobuf )
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 {
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   if( iobuf->cur >= iobuf->last ){
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     /* no stream buffer, reset and fill now */
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@@ -82,7 +82,7 @@ public inline int IobufGetc( iobuf_t *iobuf )
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   return iobuf->buf[ iobuf->cur++ ];
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 }
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-public inline int IobufUngetc( int ch, iobuf_t *iobuf )
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+extern public inline int IobufUngetc( int ch, iobuf_t *iobuf )
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 {
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   if( iobuf->cur == 0 ){
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     /* XXX: it should be tied to fp sanely */