10882 math headers should stop supporting K&R C

*** 33,50 ****
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
- #ifndef __P
- #ifdef __STDC__
- #define __P(p)  p
- #else
- #define __P(p)  ()
- #endif
- #endif  /* !defined(__P) */
- 
  /*
   * Rounding modes
   */
  #if defined(__sparc)
  
--- 33,42 ----
*** 60,81 ****
  #define FE_UPWARD       2
  #define FE_TOWARDZERO   3
  
  #endif
  
! extern int fegetround __P((void));
! extern int fesetround __P((int));
  
  #if (defined(__i386) || defined(__amd64)) && \
          (!defined(_STRICT_STDC) || defined(__EXTENSIONS__))
  
  #define FE_FLTPREC      0
  #define FE_DBLPREC      2
  #define FE_LDBLPREC     3
  
! extern int fegetprec __P((void));
! extern int fesetprec __P((int));
  
  #endif
  
  /*
   * Exception flags
--- 52,73 ----
  #define FE_UPWARD       2
  #define FE_TOWARDZERO   3
  
  #endif
  
! extern int fegetround(void);
! extern int fesetround(int);
  
  #if (defined(__i386) || defined(__amd64)) && \
          (!defined(_STRICT_STDC) || defined(__EXTENSIONS__))
  
  #define FE_FLTPREC      0
  #define FE_DBLPREC      2
  #define FE_LDBLPREC     3
  
! extern int fegetprec(void);
! extern int fesetprec(int);
  
  #endif
  
  /*
   * Exception flags
*** 100,114 ****
  
  #endif
  
  typedef int fexcept_t;
  
! extern int feclearexcept __P((int));
! extern int feraiseexcept __P((int));
! extern int fetestexcept __P((int));
! extern int fegetexceptflag __P((fexcept_t *, int));
! extern int fesetexceptflag __P((const fexcept_t *, int));
  
  #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
  
  /*
   * Exception handling extensions
--- 92,106 ----
  
  #endif
  
  typedef int fexcept_t;
  
! extern int feclearexcept(int);
! extern int feraiseexcept(int);
! extern int fetestexcept(int);
! extern int fegetexceptflag(fexcept_t *, int);
! extern int fesetexceptflag(const fexcept_t *, int);
  
  #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
  
  /*
   * Exception handling extensions
*** 183,210 ****
  typedef struct fex_handler_data {
          int     __mode;
          void    (*__handler)();
  } fex_handler_t[FEX_NUM_EXC];
  
! extern int fex_get_handling __P((int));
! extern int fex_set_handling __P((int, int, void (*)()));
  
! extern void fex_getexcepthandler __P((fex_handler_t *, int));
! extern void fex_setexcepthandler __P((const fex_handler_t *, int));
  
  #ifdef __STDC__
  #include <stdio_tag.h>
  #ifndef _FILEDEFED
  #define _FILEDEFED
  typedef __FILE FILE;
  #endif
  #endif
! extern FILE *fex_get_log __P((void));
! extern int fex_set_log __P((FILE *));
! extern int fex_get_log_depth __P((void));
! extern int fex_set_log_depth __P((int));
! extern void fex_log_entry __P((const char *));
  
  #define __fex_handler_t fex_handler_t
  
  #else
  
--- 175,202 ----
  typedef struct fex_handler_data {
          int     __mode;
          void    (*__handler)();
  } fex_handler_t[FEX_NUM_EXC];
  
! extern int fex_get_handling(int);
! extern int fex_set_handling(int, int, void (*)());
  
! extern void fex_getexcepthandler(fex_handler_t *, int);
! extern void fex_setexcepthandler(const fex_handler_t *, int);
  
  #ifdef __STDC__
  #include <stdio_tag.h>
  #ifndef _FILEDEFED
  #define _FILEDEFED
  typedef __FILE FILE;
  #endif
  #endif
! extern FILE *fex_get_log(void);
! extern int fex_set_log(FILE *);
! extern int fex_get_log_depth(void);
! extern int fex_set_log_depth(int);
! extern void fex_log_entry(const char *);
  
  #define __fex_handler_t fex_handler_t
  
  #else
  
*** 229,245 ****
  extern fenv_t __fenv_dfl_env;
  #endif
  
  #define FE_DFL_ENV      (&__fenv_dfl_env)
  
! extern int fegetenv __P((fenv_t *));
! extern int fesetenv __P((const fenv_t *));
! extern int feholdexcept __P((fenv_t *));
! extern int feupdateenv __P((const fenv_t *));
  
  #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
! extern void fex_merge_flags __P((const fenv_t *));
  #endif
  
  #ifdef __cplusplus
  }
  #endif
--- 221,237 ----
  extern fenv_t __fenv_dfl_env;
  #endif
  
  #define FE_DFL_ENV      (&__fenv_dfl_env)
  
! extern int fegetenv(fenv_t *);
! extern int fesetenv(const fenv_t *);
! extern int feholdexcept(fenv_t *);
! extern int feupdateenv(const fenv_t *);
  
  #if !defined(_STRICT_STDC) || defined(__EXTENSIONS__)
! extern void fex_merge_flags(const fenv_t *);
  #endif
  
  #ifdef __cplusplus
  }
  #endif