string2.h

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__STRING_INLINE void *
__mempcpy_small (void *__dest, char __src1,
		 __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
		 __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
		 __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
		 __STRING2_COPY_ARR8 __src8, size_t __srclen)
{
  union {
    char __c;
    __STRING2_COPY_ARR2 __sca2;
    __STRING2_COPY_ARR3 __sca3;
    __STRING2_COPY_ARR4 __sca4;
    __STRING2_COPY_ARR5 __sca5;
    __STRING2_COPY_ARR6 __sca6;
    __STRING2_COPY_ARR7 __sca7;
    __STRING2_COPY_ARR8 __sca8;
  } *__u = __dest;
  switch ((unsigned int) __srclen)
    {
    case 1:
      __u->__c = __src1;
      break;
    case 2:
      __extension__ __u->__sca2 = __src2;
      break;
    case 3:
      __extension__ __u->__sca3 = __src3;
      break;
    case 4:
      __extension__ __u->__sca4 = __src4;
      break;
    case 5:
      __extension__ __u->__sca5 = __src5;
      break;
    case 6:
      __extension__ __u->__sca6 = __src6;
      break;
    case 7:
      __extension__ __u->__sca7 = __src7;
      break;
    case 8:
      __extension__ __u->__sca8 = __src8;
      break;
    }
  return __extension__ ((void *) __u + __srclen);
}
#   endif
#  endif
# endif
#endif


/* Return pointer to C in S.  */
#ifndef _HAVE_STRING_ARCH_strchr
extern void *__rawmemchr (const void *__s, int __c);
# if __GNUC_PREREQ (3, 2)
#  define strchr(s, c) \
  (__extension__ (__builtin_constant_p (c) && !__builtin_constant_p (s)	      \
		  && (c) == '\0'					      \
		  ? (char *) __rawmemchr (s, c)				      \
		  : __builtin_strchr (s, c)))
# else
#  define strchr(s, c) \
  (__extension__ (__builtin_constant_p (c) && (c) == '\0'		      \
		  ? (char *) __rawmemchr (s, c)				      \
		  : strchr (s, c)))
# endif
#endif


/* Copy SRC to DEST.  */
#if (!defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0)) \
    || defined _FORCE_INLINES
# if !defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0)
#  define strcpy(dest, src) \
  (__extension__ (__builtin_constant_p (src)				      \
		  ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8	      \
		     ? __strcpy_small (dest, __strcpy_args (src),	      \
				       strlen (src) + 1)		      \
		     : (char *) memcpy (dest, src, strlen (src) + 1))	      \
		  : strcpy (dest, src)))
# endif

# if _STRING_ARCH_unaligned
#  ifndef _FORCE_INLINES
#   define __strcpy_args(src) \
     __extension__ __STRING2_SMALL_GET16 (src, 0),			      \
     __extension__ __STRING2_SMALL_GET16 (src, 4),			      \
     __extension__ __STRING2_SMALL_GET32 (src, 0),			      \
     __extension__ __STRING2_SMALL_GET32 (src, 4)
#  endif
__STRING_INLINE char *__strcpy_small (char *, __uint16_t, __uint16_t,
				      __uint32_t, __uint32_t, size_t);
__STRING_INLINE char *
__strcpy_small (char *__dest,
		__uint16_t __src0_2, __uint16_t __src4_2,
		__uint32_t __src0_4, __uint32_t __src4_4,
		size_t __srclen)
{
  union {
    __uint32_t __ui;
    __uint16_t __usi;
    unsigned char __uc;
  } *__u = (void *) __dest;
  switch ((unsigned int) __srclen)
    {
    case 1:
      __u->__uc = '\0';
      break;
    case 2:
      __u->__usi = __src0_2;
      break;
    case 3:
      __u->__usi = __src0_2;
      __u = __extension__ ((void *) __u + 2);
      __u->__uc = '\0';
      break;
    case 4:
      __u->__ui = __src0_4;
      break;
    case 5:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__uc = '\0';
      break;
    case 6:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__usi = __src4_2;
      break;
    case 7:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__usi = __src4_2;
      __u = __extension__ ((void *) __u + 2);
      __u->__uc = '\0';
      break;
    case 8:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__ui = __src4_4;
      break;
    }
  return __dest;
}
# else
#  ifndef _FORCE_INLINES
#   define __strcpy_args(src) \
     __extension__ ((__STRING2_COPY_ARR2)				      \
      { { ((__const char *) (src))[0], '\0' } }),			      \
     __extension__ ((__STRING2_COPY_ARR3)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  '\0' } }),							      \
     __extension__ ((__STRING2_COPY_ARR4)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  ((__const char *) (src))[2], '\0' } }),			      \
     __extension__ ((__STRING2_COPY_ARR5)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  ((__const char *) (src))[2], ((__const char *) (src))[3],	      \
	  '\0' } }),							      \
     __extension__ ((__STRING2_COPY_ARR6)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  ((__const char *) (src))[2], ((__const char *) (src))[3],	      \
	  ((__const char *) (src))[4], '\0' } }),			      \
     __extension__ ((__STRING2_COPY_ARR7)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  ((__const char *) (src))[2], ((__const char *) (src))[3],	      \
	  ((__const char *) (src))[4], ((__const char *) (src))[5],	      \
	  '\0' } }),							      \
     __extension__ ((__STRING2_COPY_ARR8)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  ((__const char *) (src))[2], ((__const char *) (src))[3],	      \
	  ((__const char *) (src))[4], ((__const char *) (src))[5],	      \
	  ((__const char *) (src))[6], '\0' } })
#  endif
__STRING_INLINE char *__strcpy_small (char *, __STRING2_COPY_ARR2,
				      __STRING2_COPY_ARR3,
				      __STRING2_COPY_ARR4,
				      __STRING2_COPY_ARR5,
				      __STRING2_COPY_ARR6,
				      __STRING2_COPY_ARR7,
				      __STRING2_COPY_ARR8, size_t);
__STRING_INLINE char *
__strcpy_small (char *__dest,
		__STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
		__STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
		__STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
		__STRING2_COPY_ARR8 __src8, size_t __srclen)
{
  union {
    char __c;
    __STRING2_COPY_ARR2 __sca2;
    __STRING2_COPY_ARR3 __sca3;
    __STRING2_COPY_ARR4 __sca4;
    __STRING2_COPY_ARR5 __sca5;
    __STRING2_COPY_ARR6 __sca6;
    __STRING2_COPY_ARR7 __sca7;
    __STRING2_COPY_ARR8 __sca8;
  } *__u = (void *) __dest;
  switch ((unsigned int) __srclen)
    {
    case 1:
      __u->__c = '\0';
      break;
    case 2:
      __extension__ __u->__sca2 = __src2;
      break;
    case 3:
      __extension__ __u->__sca3 = __src3;
      break;
    case 4:
      __extension__ __u->__sca4 = __src4;
      break;
    case 5:
      __extension__ __u->__sca5 = __src5;
      break;
    case 6:
      __extension__ __u->__sca6 = __src6;
      break;
    case 7:
      __extension__ __u->__sca7 = __src7;
      break;
    case 8:
      __extension__ __u->__sca8 = __src8;
      break;
  }
  return __dest;
}
# endif
#endif


/* Copy SRC to DEST, returning pointer to final NUL byte.  */
#ifdef __USE_GNU
# if !defined _HAVE_STRING_ARCH_stpcpy || defined _FORCE_INLINES
#  ifndef _HAVE_STRING_ARCH_stpcpy
#   if __GNUC_PREREQ (3, 4)
#    define __stpcpy(dest, src) __builtin_stpcpy (dest, src)
#   elif __GNUC_PREREQ (3, 0)
#    define __stpcpy(dest, src) \
  (__extension__ (__builtin_constant_p (src)				      \
		  ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8	      \
		     ? __builtin_strcpy (dest, src) + strlen (src)	      \
		     : ((char *) (__mempcpy) (dest, src, strlen (src) + 1)    \
			- 1))						      \
		  : __stpcpy (dest, src)))
#   else
#    define __stpcpy(dest, src) \
  (__extension__ (__builtin_constant_p (src)				      \
		  ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8	      \
		     ? __stpcpy_small (dest, __stpcpy_args (src),	      \
				       strlen (src) + 1)		      \
		     : ((char *) (__mempcpy) (dest, src, strlen (src) + 1)    \
			- 1))						      \
		  : __stpcpy (dest, src)))
#   endif
/* In glibc we use this function frequently but for namespace reasons
   we have to use the name `__stpcpy'.  */
#   define stpcpy(dest, src) __stpcpy (dest, src)
#  endif

#  if !__GNUC_PREREQ (3, 0) || defined _FORCE_INLINES
#   if _STRING_ARCH_unaligned
#    ifndef _FORCE_INLINES
#     define __stpcpy_args(src) \
     __extension__ __STRING2_SMALL_GET16 (src, 0),			      \
     __extension__ __STRING2_SMALL_GET16 (src, 4),			      \
     __extension__ __STRING2_SMALL_GET32 (src, 0),			      \
     __extension__ __STRING2_SMALL_GET32 (src, 4)
#    endif
__STRING_INLINE char *__stpcpy_small (char *, __uint16_t, __uint16_t,
				      __uint32_t, __uint32_t, size_t);
__STRING_INLINE char *
__stpcpy_small (char *__dest,
		__uint16_t __src0_2, __uint16_t __src4_2,
		__uint32_t __src0_4, __uint32_t __src4_4,
		size_t __srclen)
{
  union {
    unsigned int __ui;
    unsigned short int __usi;
    unsigned char __uc;
    char __c;
  } *__u = (void *) __dest;
  switch ((unsigned int) __srclen)
    {
    case 1:
      __u->__uc = '\0';
      break;
    case 2:
      __u->__usi = __src0_2;
      __u = __extension__ ((void *) __u + 1);
      break;
    case 3:
      __u->__usi = __src0_2;
      __u = __extension__ ((void *) __u + 2);
      __u->__uc = '\0';
      break;
    case 4:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 3);
      break;
    case 5:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__uc = '\0';
      break;
    case 6:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__usi = __src4_2;
      __u = __extension__ ((void *) __u + 1);
      break;
    case 7:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__usi = __src4_2;
      __u = __extension__ ((void *) __u + 2);
      __u->__uc = '\0';
      break;
    case 8:
      __u->__ui = __src0_4;
      __u = __extension__ ((void *) __u + 4);
      __u->__ui = __src4_4;
      __u = __extension__ ((void *) __u + 3);
      break;
    }
  return &__u->__c;
}
#   else
#    ifndef _FORCE_INLINES
#     define __stpcpy_args(src) \
     __extension__ ((__STRING2_COPY_ARR2)				      \
      { { ((__const char *) (src))[0], '\0' } }),			      \
     __extension__ ((__STRING2_COPY_ARR3)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \
	  '\0' } }),							      \
     __extension__ ((__STRING2_COPY_ARR4)				      \
      { { ((__const char *) (src))[0], ((__const char *) (src))[1],	      \