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文件: /usr/lib64/perl5/sys/cdefs.ph
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require '_h2ph_pre.ph'; no warnings qw(redefine misc); unless(defined(&_SYS_CDEFS_H)) { eval 'sub _SYS_CDEFS_H () {1;}' unless defined(&_SYS_CDEFS_H); unless(defined(&_FEATURES_H)) { require 'features.ph'; } if(defined (&__GNUC__) && !defined (&__STDC__)) { die("You need a ISO C conforming compiler to use the glibc headers"); } undef(&__P) if defined(&__P); undef(&__PMT) if defined(&__PMT); if(defined(&__GNUC__)) { if( &__GNUC_PREREQ (4, 6) && !defined (&_LIBC)) { eval 'sub __LEAF () {, &__leaf__;}' unless defined(&__LEAF); eval 'sub __LEAF_ATTR () { &__attribute__ (( &__leaf__));}' unless defined(&__LEAF_ATTR); } else { eval 'sub __LEAF () {1;}' unless defined(&__LEAF); eval 'sub __LEAF_ATTR () {1;}' unless defined(&__LEAF_ATTR); } if(!defined (&__cplusplus) && &__GNUC_PREREQ (3, 3)) { eval 'sub __THROW () { &__attribute__ (( &__nothrow__ &__LEAF));}' unless defined(&__THROW); eval 'sub __THROWNL () { &__attribute__ (( &__nothrow__));}' unless defined(&__THROWNL); eval 'sub __NTH { my($fct) = @_; eval q( &__attribute__ (( &__nothrow__ &__LEAF)) $fct); }' unless defined(&__NTH); eval 'sub __NTHNL { my($fct) = @_; eval q( &__attribute__ (( &__nothrow__)) $fct); }' unless defined(&__NTHNL); } else { if(defined (&__cplusplus) && &__GNUC_PREREQ (2,8)) { eval 'sub __THROW () { &throw ();}' unless defined(&__THROW); eval 'sub __THROWNL () { &throw ();}' unless defined(&__THROWNL); eval 'sub __NTH { my($fct) = @_; eval q( &__LEAF_ATTR $fct &throw ()); }' unless defined(&__NTH); eval 'sub __NTHNL { my($fct) = @_; eval q($fct &throw ()); }' unless defined(&__NTHNL); } else { eval 'sub __THROW () {1;}' unless defined(&__THROW); eval 'sub __THROWNL () {1;}' unless defined(&__THROWNL); eval 'sub __NTH { my($fct) = @_; eval q($fct); }' unless defined(&__NTH); eval 'sub __NTHNL { my($fct) = @_; eval q($fct); }' unless defined(&__NTHNL); } } } else { if((defined (&__cplusplus) || (defined (&__STDC_VERSION__) && (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) >= 199901))) { eval 'sub __inline () { &inline;}' unless defined(&__inline); } else { eval 'sub __inline () {1;}' unless defined(&__inline); } eval 'sub __THROW () {1;}' unless defined(&__THROW); eval 'sub __THROWNL () {1;}' unless defined(&__THROWNL); eval 'sub __NTH { my($fct) = @_; eval q($fct); }' unless defined(&__NTH); } if(defined (&__clang__) && defined (&__has_extension)) { eval 'sub __glibc_clang_has_extension { my($ext) = @_; eval q( &__has_extension ($ext)); }' unless defined(&__glibc_clang_has_extension); } else { eval 'sub __glibc_clang_has_extension { my($ext) = @_; eval q(0); }' unless defined(&__glibc_clang_has_extension); } eval 'sub __P { my($args) = @_; eval q($args); }' unless defined(&__P); eval 'sub __PMT { my($args) = @_; eval q($args); }' unless defined(&__PMT); eval 'sub __CONCAT { my($x,$y) = @_; eval q($x $y); }' unless defined(&__CONCAT); eval 'sub __STRING { my($x) = @_; eval q($x); }' unless defined(&__STRING); eval 'sub __ptr_t () { &void *;}' unless defined(&__ptr_t); if(defined(&__cplusplus)) { eval 'sub __BEGIN_DECLS () { &extern "C" {;}' unless defined(&__BEGIN_DECLS); eval 'sub __END_DECLS () {};}' unless defined(&__END_DECLS); } else { eval 'sub __BEGIN_DECLS () {1;}' unless defined(&__BEGIN_DECLS); eval 'sub __END_DECLS () {1;}' unless defined(&__END_DECLS); } eval 'sub __bos { my($ptr) = @_; eval q( &__builtin_object_size ($ptr, &__USE_FORTIFY_LEVEL > 1)); }' unless defined(&__bos); eval 'sub __bos0 { my($ptr) = @_; eval q( &__builtin_object_size ($ptr, 0)); }' unless defined(&__bos0); if((defined(&__USE_FORTIFY_LEVEL) ? &__USE_FORTIFY_LEVEL : undef) == 3 && ( &__glibc_clang_prereq (9, 0) || &__GNUC_PREREQ (12, 0))) { eval 'sub __glibc_objsize0 { my($__o) = @_; eval q( &__builtin_dynamic_object_size ($__o, 0)); }' unless defined(&__glibc_objsize0); eval 'sub __glibc_objsize { my($__o) = @_; eval q( &__builtin_dynamic_object_size ($__o, 1)); }' unless defined(&__glibc_objsize); } else { eval 'sub __glibc_objsize0 { my($__o) = @_; eval q( &__bos0 ($__o)); }' unless defined(&__glibc_objsize0); eval 'sub __glibc_objsize { my($__o) = @_; eval q( &__bos ($__o)); }' unless defined(&__glibc_objsize); } if((defined(&__USE_FORTIFY_LEVEL) ? &__USE_FORTIFY_LEVEL : undef) > 0) { eval 'sub __glibc_safe_len_cond { my($__l, $__s, $__osz) = @_; eval q((($__l) <= ($__osz) / ($__s))); }' unless defined(&__glibc_safe_len_cond); eval 'sub __glibc_unsigned_or_positive { my($__l) = @_; eval q((( &__typeof ($__l)) 0< ( &__typeof ($__l)) -1|| ( &__builtin_constant_p ($__l) && ($__l) > 0))); }' unless defined(&__glibc_unsigned_or_positive); eval 'sub __glibc_safe_or_unknown_len { my($__l, $__s, $__osz) = @_; eval q((( &__builtin_constant_p ($__osz) && ($__osz) == ( &__SIZE_TYPE__) -1) || ( &__glibc_unsigned_or_positive ($__l) && &__builtin_constant_p ( &__glibc_safe_len_cond (( &__SIZE_TYPE__) ($__l), ($__s), ($__osz))) && &__glibc_safe_len_cond (( &__SIZE_TYPE__) ($__l), ($__s), ($__osz))))); }' unless defined(&__glibc_safe_or_unknown_len); eval 'sub __glibc_unsafe_len { my($__l, $__s, $__osz) = @_; eval q(( &__glibc_unsigned_or_positive ($__l) && &__builtin_constant_p ( &__glibc_safe_len_cond (( &__SIZE_TYPE__) ($__l), $__s, $__osz)) && ! &__glibc_safe_len_cond (( &__SIZE_TYPE__) ($__l), $__s, $__osz))); }' unless defined(&__glibc_unsafe_len); eval 'sub __glibc_fortify () {( &f, &__l, &__s, &__osz, ...) ( &__glibc_safe_or_unknown_len ( &__l, &__s, &__osz) ? &__ &f &_alias ( &__VA_ARGS__) : ( &__glibc_unsafe_len ( &__l, &__s, &__osz) ? &__ &f &_chk_warn ( &__VA_ARGS__, &__osz) : &__ &f &_chk ( &__VA_ARGS__, &__osz)));}' unless defined(&__glibc_fortify); eval 'sub __glibc_fortify_n () {( &f, &__l, &__s, &__osz, ...) ( &__glibc_safe_or_unknown_len ( &__l, &__s, &__osz) ? &__ &f &_alias ( &__VA_ARGS__) : ( &__glibc_unsafe_len ( &__l, &__s, &__osz) ? &__ &f &_chk_warn ( &__VA_ARGS__, ( &__osz) / ( &__s)) : &__ &f &_chk ( &__VA_ARGS__, ( &__osz) / ( &__s))));}' unless defined(&__glibc_fortify_n); } if( &__GNUC_PREREQ (4,3)) { eval 'sub __warndecl { my($name, $msg) = @_; eval q( &extern &void $name ( &void) &__attribute__(( &__warning__ ($msg)))); }' unless defined(&__warndecl); eval 'sub __warnattr { my($msg) = @_; eval q( &__attribute__(( &__warning__ ($msg)))); }' unless defined(&__warnattr); eval 'sub __errordecl { my($name, $msg) = @_; eval q( &extern &void $name ( &void) &__attribute__(( &__error__ ($msg)))); }' unless defined(&__errordecl); } else { eval 'sub __warndecl { my($name, $msg) = @_; eval q( &extern &void $name ( &void)); }' unless defined(&__warndecl); eval 'sub __warnattr { my($msg) = @_; eval q(); }' unless defined(&__warnattr); eval 'sub __errordecl { my($name, $msg) = @_; eval q( &extern &void $name ( &void)); }' unless defined(&__errordecl); } if(defined (&__STDC_VERSION__) && (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) >= 199901) { eval 'sub __flexarr () {[];}' unless defined(&__flexarr); eval 'sub __glibc_c99_flexarr_available () {1;}' unless defined(&__glibc_c99_flexarr_available); } elsif( &__GNUC_PREREQ (2,97)) { eval 'sub __flexarr () {[];}' unless defined(&__flexarr); eval 'sub __glibc_c99_flexarr_available () {1;}' unless defined(&__glibc_c99_flexarr_available); } elsif(defined (&__GNUC__)) { eval 'sub __flexarr () {[0];}' unless defined(&__flexarr); eval 'sub __glibc_c99_flexarr_available () {1;}' unless defined(&__glibc_c99_flexarr_available); } else { eval 'sub __flexarr () {[1];}' unless defined(&__flexarr); eval 'sub __glibc_c99_flexarr_available () {0;}' unless defined(&__glibc_c99_flexarr_available); } if(defined (&__GNUC__) && (defined(&__GNUC__) ? &__GNUC__ : undef) >= 2) { eval 'sub __REDIRECT { my($name, $proto, $alias) = @_; eval q(\\"(assembly code)\\"); }' unless defined(&__REDIRECT); if(defined(&__cplusplus)) { eval 'sub __REDIRECT_NTH { my($name, $proto, $alias) = @_; eval q(\\"(assembly code)\\"); }' unless defined(&__REDIRECT_NTH); eval 'sub __REDIRECT_NTHNL { my($name, $proto, $alias) = @_; eval q(\\"(assembly code)\\"); }' unless defined(&__REDIRECT_NTHNL); } else { eval 'sub __REDIRECT_NTH { my($name, $proto, $alias) = @_; eval q(\\"(assembly code)\\"); }' unless defined(&__REDIRECT_NTH); eval 'sub __REDIRECT_NTHNL { my($name, $proto, $alias) = @_; eval q(\\"(assembly code)\\"); }' unless defined(&__REDIRECT_NTHNL); } eval 'sub __ASMNAME { my($cname) = @_; eval q( &__ASMNAME2 ( &__USER_LABEL_PREFIX__, $cname)); }' unless defined(&__ASMNAME); eval 'sub __ASMNAME2 { my($prefix, $cname) = @_; eval q( &__STRING ($prefix) $cname); }' unless defined(&__ASMNAME2); } if(!defined (&__GNUC__) || (defined(&__GNUC__) ? &__GNUC__ : undef) < 2) { eval 'sub __attribute__ { my($xyz) = @_; eval q(); }' unless defined(&__attribute__); } if( &__GNUC_PREREQ (2,96)) { eval 'sub __attribute_malloc__ () { &__attribute__ (( &__malloc__));}' unless defined(&__attribute_malloc__); } else { eval 'sub __attribute_malloc__ () {1;}' unless defined(&__attribute_malloc__); } if( &__GNUC_PREREQ (4, 3)) { eval 'sub __attribute_alloc_size__ { my($params) = @_; eval q( &__attribute__ (( &__alloc_size__ $params))); }' unless defined(&__attribute_alloc_size__); } else { eval 'sub __attribute_alloc_size__ { my($params) = @_; eval q(); }' unless defined(&__attribute_alloc_size__); } if( &__GNUC_PREREQ (2,96)) { eval 'sub __attribute_pure__ () { &__attribute__ (( &__pure__));}' unless defined(&__attribute_pure__); } else { eval 'sub __attribute_pure__ () {1;}' unless defined(&__attribute_pure__); } if( &__GNUC_PREREQ (2,5)) { eval 'sub __attribute_const__ () { &__attribute__ (( &__const__));}' unless defined(&__attribute_const__); } else { eval 'sub __attribute_const__ () {1;}' unless defined(&__attribute_const__); } if( &__GNUC_PREREQ (3,1)) { eval 'sub __attribute_used__ () { &__attribute__ (( &__used__));}' unless defined(&__attribute_used__); eval 'sub __attribute_noinline__ () { &__attribute__ (( &__noinline__));}' unless defined(&__attribute_noinline__); } else { eval 'sub __attribute_used__ () { &__attribute__ (( &__unused__));}' unless defined(&__attribute_used__); eval 'sub __attribute_noinline__ () {1;}' unless defined(&__attribute_noinline__); } if( &__GNUC_PREREQ (3,2)) { eval 'sub __attribute_deprecated__ () { &__attribute__ (( &__deprecated__));}' unless defined(&__attribute_deprecated__); } else { eval 'sub __attribute_deprecated__ () {1;}' unless defined(&__attribute_deprecated__); } if( &__GNUC_PREREQ (4,5) || &__glibc_clang_has_extension ((defined(&__attribute_deprecated_with_message__) ? &__attribute_deprecated_with_message__ : undef))) { eval 'sub __attribute_deprecated_msg__ { my($msg) = @_; eval q( &__attribute__ (( &__deprecated__ ($msg)))); }' unless defined(&__attribute_deprecated_msg__); } else { eval 'sub __attribute_deprecated_msg__ { my($msg) = @_; eval q( &__attribute_deprecated__); }' unless defined(&__attribute_deprecated_msg__); } if( &__GNUC_PREREQ (2,8)) { eval 'sub __attribute_format_arg__ { my($x) = @_; eval q( &__attribute__ (( &__format_arg__ ($x)))); }' unless defined(&__attribute_format_arg__); } else { eval 'sub __attribute_format_arg__ { my($x) = @_; eval q(); }' unless defined(&__attribute_format_arg__); } if( &__GNUC_PREREQ (2,97)) { eval 'sub __attribute_format_strfmon__ { my($a,$b) = @_; eval q( &__attribute__ (( &__format__ ( &__strfmon__, $a, $b)))); }' unless defined(&__attribute_format_strfmon__); } else { eval 'sub __attribute_format_strfmon__ { my($a,$b) = @_; eval q(); }' unless defined(&__attribute_format_strfmon__); } if( &__GNUC_PREREQ (3,3)) { eval 'sub __nonnull { my($params) = @_; eval q( &__attribute__ (( &__nonnull__ $params))); }' unless defined(&__nonnull); } else { eval 'sub __nonnull { my($params) = @_; eval q(); }' unless defined(&__nonnull); } if( &__GNUC_PREREQ (3,4)) { eval 'sub __attribute_warn_unused_result__ () { &__attribute__ (( &__warn_unused_result__));}' unless defined(&__attribute_warn_unused_result__); if((defined(&__USE_FORTIFY_LEVEL) ? &__USE_FORTIFY_LEVEL : undef) > 0) { eval 'sub __wur () { &__attribute_warn_unused_result__;}' unless defined(&__wur); } } else { eval 'sub __attribute_warn_unused_result__ () {1;}' unless defined(&__attribute_warn_unused_result__); } unless(defined(&__wur)) { eval 'sub __wur () {1;}' unless defined(&__wur); } if( &__GNUC_PREREQ (3,2)) { undef(&__always_inline) if defined(&__always_inline); eval 'sub __always_inline () { &__inline &__attribute__ (( &__always_inline__));}' unless defined(&__always_inline); } else { undef(&__always_inline) if defined(&__always_inline); eval 'sub __always_inline () { &__inline;}' unless defined(&__always_inline); } if( &__GNUC_PREREQ (4,3)) { eval 'sub __attribute_artificial__ () { &__attribute__ (( &__artificial__));}' unless defined(&__attribute_artificial__); } else { eval 'sub __attribute_artificial__ () {1;}' unless defined(&__attribute_artificial__); } if((!defined (&__cplusplus) || &__GNUC_PREREQ (4,3) || (defined (&__clang__) && (defined (&__GNUC_STDC_INLINE__) || defined (&__GNUC_GNU_INLINE__))))) { if(defined (&__GNUC_STDC_INLINE__) || defined (&__cplusplus)) { eval 'sub __extern_inline () { &extern &__inline &__attribute__ (( &__gnu_inline__));}' unless defined(&__extern_inline); eval 'sub __extern_always_inline () { &extern &__always_inline &__attribute__ (( &__gnu_inline__));}' unless defined(&__extern_always_inline); } else { eval 'sub __extern_inline () { &extern &__inline;}' unless defined(&__extern_inline); eval 'sub __extern_always_inline () { &extern &__always_inline;}' unless defined(&__extern_always_inline); } } if(defined(&__extern_always_inline)) { eval 'sub __fortify_function () { &__extern_always_inline &__attribute_artificial__;}' unless defined(&__fortify_function); } if( &__GNUC_PREREQ (4,3)) { eval 'sub __va_arg_pack () { eval q( &__builtin_va_arg_pack ()); }' unless defined(&__va_arg_pack); eval 'sub __va_arg_pack_len () { eval q( &__builtin_va_arg_pack_len ()); }' unless defined(&__va_arg_pack_len); } if(! &__GNUC_PREREQ (2,8)) { eval 'sub __extension__ () {1;}' unless defined(&__extension__); } if(! &__GNUC_PREREQ (2,92)) { if(defined (&__STDC_VERSION__) && (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) >= 199901) { eval 'sub __restrict () { &restrict;}' unless defined(&__restrict); } else { eval 'sub __restrict () {1;}' unless defined(&__restrict); } } if( &__GNUC_PREREQ (3,1) && !defined (&__GNUG__)) { eval 'sub __restrict_arr () { &__restrict;}' unless defined(&__restrict_arr); } else { if(defined(&__GNUC__)) { eval 'sub __restrict_arr () {1;}' unless defined(&__restrict_arr); } else { if(defined (&__STDC_VERSION__) && (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) >= 199901) { eval 'sub __restrict_arr () { &restrict;}' unless defined(&__restrict_arr); } else { eval 'sub __restrict_arr () {1;}' unless defined(&__restrict_arr); } } } if((defined(&__GNUC__) ? &__GNUC__ : undef) >= 3) { eval 'sub __glibc_unlikely { my($cond) = @_; eval q( &__builtin_expect (($cond), 0)); }' unless defined(&__glibc_unlikely); eval 'sub __glibc_likely { my($cond) = @_; eval q( &__builtin_expect (($cond), 1)); }' unless defined(&__glibc_likely); } else { eval 'sub __glibc_unlikely { my($cond) = @_; eval q(($cond)); }' unless defined(&__glibc_unlikely); eval 'sub __glibc_likely { my($cond) = @_; eval q(($cond)); }' unless defined(&__glibc_likely); } if(defined(&__has_attribute)) { eval 'sub __glibc_has_attribute { my($attr) = @_; eval q( &__has_attribute ($attr)); }' unless defined(&__glibc_has_attribute); } else { eval 'sub __glibc_has_attribute { my($attr) = @_; eval q(0); }' unless defined(&__glibc_has_attribute); } if((!defined (&_Noreturn) && (defined (&__STDC_VERSION__) ? (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) : 0) < 201112 && ! &__GNUC_PREREQ (4,7))) { if( &__GNUC_PREREQ (2,8)) { eval 'sub _Noreturn () { &__attribute__ (( &__noreturn__));}' unless defined(&_Noreturn); } else { eval 'sub _Noreturn () {1;}' unless defined(&_Noreturn); } } if( &__GNUC_PREREQ (8, 0)) { eval 'sub __attribute_nonstring__ () { &__attribute__ (( &__nonstring__));}' unless defined(&__attribute_nonstring__); } else { eval 'sub __attribute_nonstring__ () {1;}' unless defined(&__attribute_nonstring__); } if((!defined (&_Static_assert) && !defined (&__cplusplus) && (defined (&__STDC_VERSION__) ? (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) : 0) < 201112 && (! &__GNUC_PREREQ (4, 6) || defined (&__STRICT_ANSI__)))) { eval 'sub _Static_assert { my($expr, $diagnostic) = @_; eval q( &extern &int (* &__Static_assert_function ( &void)) [!!$sizeof{\'struct struct\' { \'int\' &__error_if_negative: ($expr) ? 2: -1; }}]); }' unless defined(&_Static_assert); } require 'bits/wordsize.ph'; require 'bits/long-double.ph'; if(defined (&__LONG_DOUBLE_MATH_OPTIONAL) && defined (&__NO_LONG_DOUBLE_MATH)) { eval 'sub __LDBL_COMPAT () {1;}' unless defined(&__LDBL_COMPAT); if(defined(&__REDIRECT)) { eval 'sub __LDBL_REDIR1 { my($name, $proto, $alias) = @_; eval q( &__REDIRECT ($name, $proto, $alias)); }' unless defined(&__LDBL_REDIR1); eval 'sub __LDBL_REDIR { my($name, $proto) = @_; eval q( &__LDBL_REDIR1 ($name, $proto, &__nldbl_$name)); }' unless defined(&__LDBL_REDIR); eval 'sub __LDBL_REDIR1_NTH { my($name, $proto, $alias) = @_; eval q( &__REDIRECT_NTH ($name, $proto, $alias)); }' unless defined(&__LDBL_REDIR1_NTH); eval 'sub __LDBL_REDIR_NTH { my($name, $proto) = @_; eval q( &__LDBL_REDIR1_NTH ($name, $proto, &__nldbl_$name)); }' unless defined(&__LDBL_REDIR_NTH); eval 'sub __LDBL_REDIR1_DECL { my($name, $alias) = @_; eval q( &extern &__typeof ($name) $name &__asm ( &__ASMNAME ($alias));); }' unless defined(&__LDBL_REDIR1_DECL); eval 'sub __LDBL_REDIR_DECL { my($name) = @_; eval q( &extern &__typeof ($name) $name &__asm ( &__ASMNAME (\\"__nldbl_\\" $name));); }' unless defined(&__LDBL_REDIR_DECL); eval 'sub __REDIRECT_LDBL { my($name, $proto, $alias) = @_; eval q( &__LDBL_REDIR1 ($name, $proto, &__nldbl_$alias)); }' unless defined(&__REDIRECT_LDBL); eval 'sub __REDIRECT_NTH_LDBL { my($name, $proto, $alias) = @_; eval q( &__LDBL_REDIR1_NTH ($name, $proto, &__nldbl_$alias)); }' unless defined(&__REDIRECT_NTH_LDBL); } } if(!defined (&__LDBL_COMPAT) || !defined (&__REDIRECT)) { eval 'sub __LDBL_REDIR1 { my($name, $proto, $alias) = @_; eval q($name $proto); }' unless defined(&__LDBL_REDIR1); eval 'sub __LDBL_REDIR { my($name, $proto) = @_; eval q($name $proto); }' unless defined(&__LDBL_REDIR); eval 'sub __LDBL_REDIR1_NTH { my($name, $proto, $alias) = @_; eval q($name $proto &__THROW); }' unless defined(&__LDBL_REDIR1_NTH); eval 'sub __LDBL_REDIR_NTH { my($name, $proto) = @_; eval q($name $proto &__THROW); }' unless defined(&__LDBL_REDIR_NTH); eval 'sub __LDBL_REDIR_DECL { my($name) = @_; eval q(); }' unless defined(&__LDBL_REDIR_DECL); if(defined(&__REDIRECT)) { eval 'sub __REDIRECT_LDBL { my($name, $proto, $alias) = @_; eval q( &__REDIRECT ($name, $proto, $alias)); }' unless defined(&__REDIRECT_LDBL); eval 'sub __REDIRECT_NTH_LDBL { my($name, $proto, $alias) = @_; eval q( &__REDIRECT_NTH ($name, $proto, $alias)); }' unless defined(&__REDIRECT_NTH_LDBL); } } if( &__GNUC_PREREQ (4,8) || &__glibc_clang_prereq (3,5)) { eval 'sub __glibc_macro_warning1 { my($message) = @_; eval q( &_Pragma ($message)); }' unless defined(&__glibc_macro_warning1); eval 'sub __glibc_macro_warning { my($message) = @_; eval q( &__glibc_macro_warning1 ( &GCC &warning $message)); }' unless defined(&__glibc_macro_warning); } else { eval 'sub __glibc_macro_warning { my($msg) = @_; eval q(); }' unless defined(&__glibc_macro_warning); } if(!defined (&__cplusplus) && ( &__GNUC_PREREQ (4, 9) || &__glibc_clang_has_extension ((defined(&c_generic_selections) ? &c_generic_selections : undef)) || (!defined (&__GNUC__) && defined (&__STDC_VERSION__) && (defined(&__STDC_VERSION__) ? &__STDC_VERSION__ : undef) >= 201112))) { eval 'sub __HAVE_GENERIC_SELECTION () {1;}' unless defined(&__HAVE_GENERIC_SELECTION); } else { eval 'sub __HAVE_GENERIC_SELECTION () {0;}' unless defined(&__HAVE_GENERIC_SELECTION); } } 1;
修改文件时间
将文件时间修改为当前时间的前一年
删除文件