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-rw-r--r--libc/sysdeps/linux/common/bits/sigset.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/sigset.h b/libc/sysdeps/linux/common/bits/sigset.h
index 7ccadda45..9a16e5cb9 100644
--- a/libc/sysdeps/linux/common/bits/sigset.h
+++ b/libc/sysdeps/linux/common/bits/sigset.h
@@ -101,8 +101,11 @@ typedef struct
checking is done in the non __ versions. */
extern int __sigismember (__const __sigset_t *, int);
+libc_hidden_proto(__sigismember)
extern int __sigaddset (__sigset_t *, int);
+libc_hidden_proto(__sigaddset)
extern int __sigdelset (__sigset_t *, int);
+libc_hidden_proto(__sigdelset)
# ifdef __USE_EXTERN_INLINES
# define __SIGSETFN(NAME, BODY, CONST) \