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-rw-r--r--os2/os2ish.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/os2/os2ish.h b/os2/os2ish.h
index a60e573262..22ea08363b 100644
--- a/os2/os2ish.h
+++ b/os2/os2ish.h
@@ -382,6 +382,8 @@ void *emx_realloc (void *, size_t);
# define HAS_BOOL 1
#endif
+extern int* _fd_flags(int fd); /* where's the real prototype of this? */
+
static inline bool
_PERLIO_IS_BINMODE_FD(int fd)
{