From ce8ee8d9b401c9c2828df3457815c2f4ceed4900 Mon Sep 17 00:00:00 2001
From: David McCullough <davidm@snapgear.com>
Date: Wed, 11 Jul 2001 13:47:45 +0000
Subject: Added __BEGIN_DECLS and __END_DECLS to the files that didn't have it
 and that I could see needed it.

Should be pretty low impact as these are only defined when using C++.
---
 libc/sysdeps/linux/arm/bits/dlfcn.h         | 2 ++
 libc/sysdeps/linux/arm/bits/errno.h         | 2 ++
 libc/sysdeps/linux/arm/bits/mathcalls.h     | 4 ++++
 libc/sysdeps/linux/arm/bits/sigset.h        | 4 +++-
 libc/sysdeps/linux/arm/bits/sigthread.h     | 4 ++++
 libc/sysdeps/linux/arm/bits/sockaddr.h      | 3 +++
 libc/sysdeps/linux/i386/bits/cmathcalls.h   | 3 +++
 libc/sysdeps/linux/i386/bits/errno.h        | 4 ++++
 libc/sysdeps/linux/i386/bits/mathcalls.h    | 3 +++
 libc/sysdeps/linux/i386/bits/sigset.h       | 3 +++
 libc/sysdeps/linux/i386/bits/sigthread.h    | 4 ++++
 libc/sysdeps/linux/i386/bits/sockaddr.h     | 3 +++
 libc/sysdeps/linux/m68k/bits/cmathcalls.h   | 4 +++-
 libc/sysdeps/linux/m68k/bits/errno.h        | 4 ++++
 libc/sysdeps/linux/m68k/bits/setjmp.h       | 2 ++
 libc/sysdeps/linux/m68k/bits/sigthread.h    | 4 ++++
 libc/sysdeps/linux/m68k/bits/sockaddr.h     | 3 +++
 libc/sysdeps/linux/m68k/bits/socket.h       | 2 ++
 libc/sysdeps/linux/mips/bits/cmathcalls.h   | 3 +++
 libc/sysdeps/linux/mips/bits/dlfcn.h        | 2 ++
 libc/sysdeps/linux/mips/bits/errno.h        | 6 ++++++
 libc/sysdeps/linux/mips/bits/libc-lock.h    | 3 +++
 libc/sysdeps/linux/mips/bits/sigset.h       | 3 +++
 libc/sysdeps/linux/mips/bits/sigthread.h    | 4 ++++
 libc/sysdeps/linux/powerpc/bits/dlfcn.h     | 2 ++
 libc/sysdeps/linux/powerpc/bits/errno.h     | 6 ++++++
 libc/sysdeps/linux/powerpc/bits/sigset.h    | 3 +++
 libc/sysdeps/linux/powerpc/bits/sigthread.h | 4 ++++
 libc/sysdeps/linux/powerpc/bits/sockaddr.h  | 3 +++
 libc/sysdeps/linux/sh/bits/cmathcalls.h     | 3 +++
 libc/sysdeps/linux/sh/bits/errno.h          | 6 ++++++
 libc/sysdeps/linux/sh/bits/sigset.h         | 3 +++
 libc/sysdeps/linux/sh/bits/sigthread.h      | 4 ++++
 libc/sysdeps/linux/sh/bits/sockaddr.h       | 3 +++
 libc/sysdeps/linux/sparc/bits/cmathcalls.h  | 3 +++
 libc/sysdeps/linux/sparc/bits/errno.h       | 6 ++++++
 libc/sysdeps/linux/sparc/bits/sigset.h      | 3 +++
 libc/sysdeps/linux/sparc/bits/sigthread.h   | 4 ++++
 libc/sysdeps/linux/sparc/bits/sockaddr.h    | 3 +++
 39 files changed, 133 insertions(+), 2 deletions(-)

(limited to 'libc/sysdeps/linux')

diff --git a/libc/sysdeps/linux/arm/bits/dlfcn.h b/libc/sysdeps/linux/arm/bits/dlfcn.h
index 0039eda14..f724d0fdf 100644
--- a/libc/sysdeps/linux/arm/bits/dlfcn.h
+++ b/libc/sysdeps/linux/arm/bits/dlfcn.h
@@ -55,5 +55,7 @@
   (_dl_mcount_wrapper_check (fctp), (*(fctp)) args)
 
 /* This function calls the profiling functions.  */
+__BEGIN_DECLS
 extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
+__END_DECLS
 #endif
diff --git a/libc/sysdeps/linux/arm/bits/errno.h b/libc/sysdeps/linux/arm/bits/errno.h
index 0c33c9c0a..ba3049599 100644
--- a/libc/sysdeps/linux/arm/bits/errno.h
+++ b/libc/sysdeps/linux/arm/bits/errno.h
@@ -32,6 +32,7 @@
 # define ECANCELED	125
 
 # ifndef __ASSEMBLER__
+   __BEGIN_DECLS
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
@@ -47,6 +48,7 @@ extern int *__errno_location (void) __attribute__ ((__const__));
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
+   __END_DECLS
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
diff --git a/libc/sysdeps/linux/arm/bits/mathcalls.h b/libc/sysdeps/linux/arm/bits/mathcalls.h
index 9334e7fa4..a3ab88785 100644
--- a/libc/sysdeps/linux/arm/bits/mathcalls.h
+++ b/libc/sysdeps/linux/arm/bits/mathcalls.h
@@ -48,6 +48,7 @@
 #endif
 
 
+__BEGIN_DECLS
 /* Trigonometric functions.  */
 
 /* Arc cosine of X.  */
@@ -338,4 +339,7 @@ __MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
 
 /* Multiply-add function computed as a ternary operation.  */
 __MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
+
 #endif /* Use ISO C99.  */
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/arm/bits/sigset.h b/libc/sysdeps/linux/arm/bits/sigset.h
index 66a9c51c5..0c751af50 100644
--- a/libc/sysdeps/linux/arm/bits/sigset.h
+++ b/libc/sysdeps/linux/arm/bits/sigset.h
@@ -32,7 +32,6 @@ typedef struct
 
 #endif
 
-
 /* We only want to define these functions if <signal.h> was actually
    included; otherwise we were included just to define the types.  Since we
    are namespace-clean, it wouldn't hurt to define extra macros.  But
@@ -97,6 +96,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +122,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/arm/bits/sigthread.h b/libc/sysdeps/linux/arm/bits/sigthread.h
index c9b1dcf1b..c213614be 100644
--- a/libc/sysdeps/linux/arm/bits/sigthread.h
+++ b/libc/sysdeps/linux/arm/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/arm/bits/sockaddr.h b/libc/sysdeps/linux/arm/bits/sockaddr.h
index 1c523444b..8078963a8 100644
--- a/libc/sysdeps/linux/arm/bits/sockaddr.h
+++ b/libc/sysdeps/linux/arm/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -41,4 +42,6 @@ typedef unsigned short int sa_family_t;
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
+
 #endif	/* bits/sockaddr.h */
diff --git a/libc/sysdeps/linux/i386/bits/cmathcalls.h b/libc/sysdeps/linux/i386/bits/cmathcalls.h
index f063042b0..c1b0781b0 100644
--- a/libc/sysdeps/linux/i386/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/i386/bits/cmathcalls.h
@@ -47,6 +47,7 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -155,3 +156,5 @@ __MATH_PRECNAME(conj) (_Mdouble_complex_ __z)
 }
 
 #endif
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/i386/bits/errno.h b/libc/sysdeps/linux/i386/bits/errno.h
index 35bd61109..992358eb7 100644
--- a/libc/sysdeps/linux/i386/bits/errno.h
+++ b/libc/sysdeps/linux/i386/bits/errno.h
@@ -24,6 +24,8 @@
 # undef ERANGE
 # include <linux/errno.h>
 
+__BEGIN_DECLS
+
 /* Linux has no ENOTSUP error code.  */
 # define ENOTSUP EOPNOTSUPP
 
@@ -50,6 +52,8 @@ extern int *__errno_location __P ((void)) __attribute__ ((__const__));
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
+__END_DECLS
+
 #if !defined _ERRNO_H && defined __need_Emath
 /* This is ugly but the kernel header is not clean enough.  We must
    define only the values EDOM and ERANGE in case __need_Emath is
diff --git a/libc/sysdeps/linux/i386/bits/mathcalls.h b/libc/sysdeps/linux/i386/bits/mathcalls.h
index 97bda451a..f261ace0f 100644
--- a/libc/sysdeps/linux/i386/bits/mathcalls.h
+++ b/libc/sysdeps/linux/i386/bits/mathcalls.h
@@ -47,6 +47,7 @@
  #error "Never include <bits/mathcalls.h> directly; include <math.h> instead."
 #endif
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -334,3 +335,5 @@ __MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
 /* Multiply-add function computed as a ternary operation.  */
 __MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
 #endif /* Use ISO C 9X.  */
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/i386/bits/sigset.h b/libc/sysdeps/linux/i386/bits/sigset.h
index 66a9c51c5..de852a8a0 100644
--- a/libc/sysdeps/linux/i386/bits/sigset.h
+++ b/libc/sysdeps/linux/i386/bits/sigset.h
@@ -97,6 +97,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +123,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/i386/bits/sigthread.h b/libc/sysdeps/linux/i386/bits/sigthread.h
index c9b1dcf1b..a63319c52 100644
--- a/libc/sysdeps/linux/i386/bits/sigthread.h
+++ b/libc/sysdeps/linux/i386/bits/sigthread.h
@@ -26,6 +26,8 @@
 
 /* Functions for handling signals. */
 
+__BEGIN_DECLS
+
 /* Modify the signal mask for the calling thread.  The arguments have
    the same meaning as for sigprocmask(2). */
 extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/i386/bits/sockaddr.h b/libc/sysdeps/linux/i386/bits/sockaddr.h
index 1c523444b..1cddab4d8 100644
--- a/libc/sysdeps/linux/i386/bits/sockaddr.h
+++ b/libc/sysdeps/linux/i386/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -39,6 +40,8 @@ typedef unsigned short int sa_family_t;
 
 /* Return the length of a `sockaddr' structure.  */
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
+
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
 #endif	/* bits/sockaddr.h */
diff --git a/libc/sysdeps/linux/m68k/bits/cmathcalls.h b/libc/sysdeps/linux/m68k/bits/cmathcalls.h
index f063042b0..842d2c135 100644
--- a/libc/sysdeps/linux/m68k/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/m68k/bits/cmathcalls.h
@@ -47,6 +47,7 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -153,5 +154,6 @@ __MATH_PRECNAME(conj) (_Mdouble_complex_ __z)
 {
   return ~__z;
 }
-
 #endif
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/m68k/bits/errno.h b/libc/sysdeps/linux/m68k/bits/errno.h
index 35bd61109..7a0bd8150 100644
--- a/libc/sysdeps/linux/m68k/bits/errno.h
+++ b/libc/sysdeps/linux/m68k/bits/errno.h
@@ -24,6 +24,8 @@
 # undef ERANGE
 # include <linux/errno.h>
 
+__BEGIN_DECLS
+
 /* Linux has no ENOTSUP error code.  */
 # define ENOTSUP EOPNOTSUPP
 
@@ -58,3 +60,5 @@ extern int *__errno_location __P ((void)) __attribute__ ((__const__));
 # define EILSEQ	84	/* Illegal byte sequence.  */
 # define ERANGE	34	/* Math result not representable.  */
 #endif /* !_ERRNO_H && __need_Emath */
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/m68k/bits/setjmp.h b/libc/sysdeps/linux/m68k/bits/setjmp.h
index 5680ffe04..08b2d2500 100644
--- a/libc/sysdeps/linux/m68k/bits/setjmp.h
+++ b/libc/sysdeps/linux/m68k/bits/setjmp.h
@@ -49,8 +49,10 @@ typedef struct
 
 /* Simple version of sigsetjmp and siglongjmp */
 
+__BEGIN_DECLS
 extern int __setjmp(__jmp_buf __buf);
 extern int __longjmp(__jmp_buf __buf, int __val);
+__END_DECLS
 
 #define longjmp(buf, val) __longjmp(buf, val)
 
diff --git a/libc/sysdeps/linux/m68k/bits/sigthread.h b/libc/sysdeps/linux/m68k/bits/sigthread.h
index c9b1dcf1b..c213614be 100644
--- a/libc/sysdeps/linux/m68k/bits/sigthread.h
+++ b/libc/sysdeps/linux/m68k/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/m68k/bits/sockaddr.h b/libc/sysdeps/linux/m68k/bits/sockaddr.h
index 1c523444b..8078963a8 100644
--- a/libc/sysdeps/linux/m68k/bits/sockaddr.h
+++ b/libc/sysdeps/linux/m68k/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -41,4 +42,6 @@ typedef unsigned short int sa_family_t;
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
+
 #endif	/* bits/sockaddr.h */
diff --git a/libc/sysdeps/linux/m68k/bits/socket.h b/libc/sysdeps/linux/m68k/bits/socket.h
index dc2d58cfc..a4b090e2b 100644
--- a/libc/sysdeps/linux/m68k/bits/socket.h
+++ b/libc/sysdeps/linux/m68k/bits/socket.h
@@ -244,8 +244,10 @@ struct cmsghdr
 			 + CMSG_ALIGN (sizeof (struct cmsghdr)))
 #define CMSG_LEN(len)   (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
 
+__BEGIN_DECLS
 extern struct cmsghdr *__cmsg_nxthdr __P ((struct msghdr *__mhdr,
 					   struct cmsghdr *__cmsg));
+__END_DECLS
 #ifdef __USE_EXTERN_INLINES
 # ifndef _EXTERN_INLINE
 #  define _EXTERN_INLINE extern __inline
diff --git a/libc/sysdeps/linux/mips/bits/cmathcalls.h b/libc/sysdeps/linux/mips/bits/cmathcalls.h
index 2d186c41e..6679500be 100644
--- a/libc/sysdeps/linux/mips/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/mips/bits/cmathcalls.h
@@ -47,6 +47,7 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -156,3 +157,5 @@ __MATH_PRECNAME(conj) (_Mdouble_complex_ __z) __THROW
 }
 
 #endif
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/mips/bits/dlfcn.h b/libc/sysdeps/linux/mips/bits/dlfcn.h
index 006eeb683..21aac6542 100644
--- a/libc/sysdeps/linux/mips/bits/dlfcn.h
+++ b/libc/sysdeps/linux/mips/bits/dlfcn.h
@@ -54,6 +54,8 @@
 # define DL_CALL_FCT(fctp, args) \
   (_dl_mcount_wrapper_check (fctp), (*(fctp)) args)
 
+__BEGIN_DECLS
 /* This function calls the profiling functions.  */
 extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
+__END_DECLS
 #endif
diff --git a/libc/sysdeps/linux/mips/bits/errno.h b/libc/sysdeps/linux/mips/bits/errno.h
index e0c1dc5c6..53db5dd7b 100644
--- a/libc/sysdeps/linux/mips/bits/errno.h
+++ b/libc/sysdeps/linux/mips/bits/errno.h
@@ -28,6 +28,9 @@
 # define ENOTSUP EOPNOTSUPP
 
 # ifndef __ASSEMBLER__
+
+__BEGIN_DECLS
+
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
@@ -43,6 +46,9 @@ extern int *__errno_location (void);
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
+
+__END_DECLS
+
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
diff --git a/libc/sysdeps/linux/mips/bits/libc-lock.h b/libc/sysdeps/linux/mips/bits/libc-lock.h
index dbd9cc14f..fa43d4839 100644
--- a/libc/sysdeps/linux/mips/bits/libc-lock.h
+++ b/libc/sysdeps/linux/mips/bits/libc-lock.h
@@ -200,6 +200,8 @@ typedef pthread_key_t __libc_key_t;
 /* Functions that are used by this file and are internal to the GNU C
    library.  */
 
+__BEGIN_DECLS
+
 extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
 				 __const pthread_mutexattr_t *__mutex_attr);
 
@@ -250,6 +252,7 @@ extern int __pthread_atfork (void (*__prepare) (void),
 			     void (*__parent) (void),
 			     void (*__child) (void));
 
+__END_DECLS
 
 
 /* Make the pthread functions weak so that we can elide them from
diff --git a/libc/sysdeps/linux/mips/bits/sigset.h b/libc/sysdeps/linux/mips/bits/sigset.h
index 66a9c51c5..de852a8a0 100644
--- a/libc/sysdeps/linux/mips/bits/sigset.h
+++ b/libc/sysdeps/linux/mips/bits/sigset.h
@@ -97,6 +97,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +123,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/mips/bits/sigthread.h b/libc/sysdeps/linux/mips/bits/sigthread.h
index b86e75f20..8ca688c59 100644
--- a/libc/sysdeps/linux/mips/bits/sigthread.h
+++ b/libc/sysdeps/linux/mips/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -35,4 +37,6 @@ extern int pthread_sigmask (int __how,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill (pthread_t __thread, int __signo) __THROW;
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/powerpc/bits/dlfcn.h b/libc/sysdeps/linux/powerpc/bits/dlfcn.h
index 0039eda14..f724d0fdf 100644
--- a/libc/sysdeps/linux/powerpc/bits/dlfcn.h
+++ b/libc/sysdeps/linux/powerpc/bits/dlfcn.h
@@ -55,5 +55,7 @@
   (_dl_mcount_wrapper_check (fctp), (*(fctp)) args)
 
 /* This function calls the profiling functions.  */
+__BEGIN_DECLS
 extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
+__END_DECLS
 #endif
diff --git a/libc/sysdeps/linux/powerpc/bits/errno.h b/libc/sysdeps/linux/powerpc/bits/errno.h
index 7da7daf79..a5365caba 100644
--- a/libc/sysdeps/linux/powerpc/bits/errno.h
+++ b/libc/sysdeps/linux/powerpc/bits/errno.h
@@ -32,6 +32,9 @@
 # define ECANCELED	125
 
 # ifndef __ASSEMBLER__
+
+__BEGIN_DECLS
+
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
@@ -47,6 +50,9 @@ extern int *__errno_location (void);
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
+
+__END_DECLS
+
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
diff --git a/libc/sysdeps/linux/powerpc/bits/sigset.h b/libc/sysdeps/linux/powerpc/bits/sigset.h
index 66a9c51c5..de852a8a0 100644
--- a/libc/sysdeps/linux/powerpc/bits/sigset.h
+++ b/libc/sysdeps/linux/powerpc/bits/sigset.h
@@ -97,6 +97,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +123,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/powerpc/bits/sigthread.h b/libc/sysdeps/linux/powerpc/bits/sigthread.h
index c9b1dcf1b..c213614be 100644
--- a/libc/sysdeps/linux/powerpc/bits/sigthread.h
+++ b/libc/sysdeps/linux/powerpc/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/powerpc/bits/sockaddr.h b/libc/sysdeps/linux/powerpc/bits/sockaddr.h
index 1c523444b..8078963a8 100644
--- a/libc/sysdeps/linux/powerpc/bits/sockaddr.h
+++ b/libc/sysdeps/linux/powerpc/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -41,4 +42,6 @@ typedef unsigned short int sa_family_t;
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
+
 #endif	/* bits/sockaddr.h */
diff --git a/libc/sysdeps/linux/sh/bits/cmathcalls.h b/libc/sysdeps/linux/sh/bits/cmathcalls.h
index f063042b0..c1b0781b0 100644
--- a/libc/sysdeps/linux/sh/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/sh/bits/cmathcalls.h
@@ -47,6 +47,7 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -155,3 +156,5 @@ __MATH_PRECNAME(conj) (_Mdouble_complex_ __z)
 }
 
 #endif
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/sh/bits/errno.h b/libc/sysdeps/linux/sh/bits/errno.h
index 35bd61109..968e178ea 100644
--- a/libc/sysdeps/linux/sh/bits/errno.h
+++ b/libc/sysdeps/linux/sh/bits/errno.h
@@ -32,6 +32,9 @@
 # define ECANCELED	125
 
 # ifndef __ASSEMBLER__
+
+__BEGIN_DECLS
+
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
@@ -47,6 +50,9 @@ extern int *__errno_location __P ((void)) __attribute__ ((__const__));
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
+
+__END_DECLS
+
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
diff --git a/libc/sysdeps/linux/sh/bits/sigset.h b/libc/sysdeps/linux/sh/bits/sigset.h
index 66a9c51c5..de852a8a0 100644
--- a/libc/sysdeps/linux/sh/bits/sigset.h
+++ b/libc/sysdeps/linux/sh/bits/sigset.h
@@ -97,6 +97,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +123,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/sh/bits/sigthread.h b/libc/sysdeps/linux/sh/bits/sigthread.h
index c9b1dcf1b..c213614be 100644
--- a/libc/sysdeps/linux/sh/bits/sigthread.h
+++ b/libc/sysdeps/linux/sh/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/sh/bits/sockaddr.h b/libc/sysdeps/linux/sh/bits/sockaddr.h
index 1c523444b..8078963a8 100644
--- a/libc/sysdeps/linux/sh/bits/sockaddr.h
+++ b/libc/sysdeps/linux/sh/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -41,4 +42,6 @@ typedef unsigned short int sa_family_t;
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
+
 #endif	/* bits/sockaddr.h */
diff --git a/libc/sysdeps/linux/sparc/bits/cmathcalls.h b/libc/sysdeps/linux/sparc/bits/cmathcalls.h
index f063042b0..c1b0781b0 100644
--- a/libc/sysdeps/linux/sparc/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/sparc/bits/cmathcalls.h
@@ -47,6 +47,7 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -155,3 +156,5 @@ __MATH_PRECNAME(conj) (_Mdouble_complex_ __z)
 }
 
 #endif
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/sparc/bits/errno.h b/libc/sysdeps/linux/sparc/bits/errno.h
index 35bd61109..968e178ea 100644
--- a/libc/sysdeps/linux/sparc/bits/errno.h
+++ b/libc/sysdeps/linux/sparc/bits/errno.h
@@ -32,6 +32,9 @@
 # define ECANCELED	125
 
 # ifndef __ASSEMBLER__
+
+__BEGIN_DECLS
+
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
@@ -47,6 +50,9 @@ extern int *__errno_location __P ((void)) __attribute__ ((__const__));
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
+
+__END_DECLS
+
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
diff --git a/libc/sysdeps/linux/sparc/bits/sigset.h b/libc/sysdeps/linux/sparc/bits/sigset.h
index 66a9c51c5..de852a8a0 100644
--- a/libc/sysdeps/linux/sparc/bits/sigset.h
+++ b/libc/sysdeps/linux/sparc/bits/sigset.h
@@ -97,6 +97,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +123,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/sparc/bits/sigthread.h b/libc/sysdeps/linux/sparc/bits/sigthread.h
index c9b1dcf1b..c213614be 100644
--- a/libc/sysdeps/linux/sparc/bits/sigthread.h
+++ b/libc/sysdeps/linux/sparc/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/sparc/bits/sockaddr.h b/libc/sysdeps/linux/sparc/bits/sockaddr.h
index 1c523444b..8078963a8 100644
--- a/libc/sysdeps/linux/sparc/bits/sockaddr.h
+++ b/libc/sysdeps/linux/sparc/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -41,4 +42,6 @@ typedef unsigned short int sa_family_t;
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
+
 #endif	/* bits/sockaddr.h */
-- 
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