diff options
Diffstat (limited to 'manual/creature.texi')
| -rw-r--r-- | manual/creature.texi | 44 |
1 files changed, 14 insertions, 30 deletions
diff --git a/manual/creature.texi b/manual/creature.texi index 23218bbac3..eb30b0118d 100644 --- a/manual/creature.texi +++ b/manual/creature.texi @@ -33,9 +33,8 @@ standard. It is insufficient for this purpose, as it will not protect you from including header files outside the standard, or relying on semantics undefined within the standard. -@comment (none) -@comment POSIX.1 @defvr Macro _POSIX_SOURCE +@standards{POSIX.1, (none)} If you define this macro, then the functionality from the POSIX.1 standard (IEEE Standard 1003.1) is available, as well as all of the @w{ISO C} facilities. @@ -44,9 +43,8 @@ The state of @code{_POSIX_SOURCE} is irrelevant if you define the macro @code{_POSIX_C_SOURCE} to a positive integer. @end defvr -@comment (none) -@comment POSIX.2 @defvr Macro _POSIX_C_SOURCE +@standards{POSIX.2, (none)} Define this macro to a positive integer to control which POSIX functionality is made available. The greater the value of this macro, the more functionality is made available. @@ -72,12 +70,9 @@ or equal to @code{199506L}, then the functionality from the 1996 edition is made available. @end defvr -@comment (none) -@comment X/Open @defvr Macro _XOPEN_SOURCE -@comment (none) -@comment X/Open @defvrx Macro _XOPEN_SOURCE_EXTENDED +@standards{X/Open, (none)} If you define this macro, functionality described in the X/Open Portability Guide is included. This is a superset of the POSIX.1 and POSIX.2 functionality and in fact @code{_POSIX_SOURCE} and @@ -95,9 +90,8 @@ all functionality described so far plus some new definitions from the Single Unix Specification, @w{version 2}. @end defvr -@comment (NONE) -@comment X/Open @defvr Macro _LARGEFILE_SOURCE +@standards{X/Open, (NONE)} If this macro is defined some extra functions are available which rectify a few shortcomings in all previous standards. Specifically, the functions @code{fseeko} and @code{ftello} are available. Without @@ -108,9 +102,8 @@ these functions the difference between the @w{ISO C} interface This macro was introduced as part of the Large File Support extension (LFS). @end defvr -@comment (NONE) -@comment X/Open @defvr Macro _LARGEFILE64_SOURCE +@standards{X/Open, (NONE)} If you define this macro an additional set of functions is made available which enables @w{32 bit} systems to use files of sizes beyond the usual limit of 2GB. This interface is not available if the system @@ -128,9 +121,8 @@ This macro was introduced as part of the Large File Support extension offsets are not generally used (see @code{_FILE_OFFSET_BITS}). @end defvr -@comment (NONE) -@comment X/Open @defvr Macro _FILE_OFFSET_BITS +@standards{X/Open, (NONE)} This macro determines which file system interface shall be used, one replacing the other. Whereas @code{_LARGEFILE64_SOURCE} makes the @w{64 bit} interface available as an additional interface, @@ -156,62 +148,55 @@ This macro was introduced as part of the Large File Support extension (LFS). @end defvr -@comment (none) -@comment GNU @defvr Macro _ISOC99_SOURCE +@standards{GNU, (none)} Until the revised @w{ISO C} standard is widely adopted the new features are not automatically enabled. @Theglibc{} nevertheless has a complete implementation of the new standard and to enable the new features the macro @code{_ISOC99_SOURCE} should be defined. @end defvr -@comment (none) -@comment ISO @defvr Macro __STDC_WANT_LIB_EXT2__ +@standards{ISO, (none)} If you define this macro to the value @code{1}, features from ISO/IEC TR 24731-2:2010 (Dynamic Allocation Functions) are enabled. Only some of the features from this TR are supported by @theglibc{}. @end defvr -@comment (none) -@comment ISO @defvr Macro __STDC_WANT_IEC_60559_BFP_EXT__ +@standards{ISO, (none)} If you define this macro, features from ISO/IEC TS 18661-1:2014 (Floating-point extensions for C: Binary floating-point arithmetic) are enabled. Only some of the features from this TS are supported by @theglibc{}. @end defvr -@comment (none) -@comment ISO @defvr Macro __STDC_WANT_IEC_60559_FUNCS_EXT__ +@standards{ISO, (none)} If you define this macro, features from ISO/IEC TS 18661-4:2015 (Floating-point extensions for C: Supplementary functions) are enabled. Only some of the features from this TS are supported by @theglibc{}. @end defvr -@comment (none) -@comment ISO @defvr Macro __STDC_WANT_IEC_60559_TYPES_EXT__ +@standards{ISO, (none)} If you define this macro, features from ISO/IEC TS 18661-3:2015 (Floating-point extensions for C: Interchange and extended types) are enabled. Only some of the features from this TS are supported by @theglibc{}. @end defvr -@comment (none) -@comment GNU @defvr Macro _GNU_SOURCE +@standards{GNU, (none)} If you define this macro, everything is included: @w{ISO C89}, @w{ISO C99}, POSIX.1, POSIX.2, BSD, SVID, X/Open, LFS, and GNU extensions. In the cases where POSIX.1 conflicts with BSD, the POSIX definitions take precedence. @end defvr -@comment (none) -@comment GNU @defvr Macro _DEFAULT_SOURCE +@standards{GNU, (none)} If you define this macro, most features are included apart from X/Open, LFS and GNU extensions: the effect is to enable features from the 2008 edition of POSIX, as well as certain BSD and SVID features @@ -224,10 +209,9 @@ enables those features even when the other options would otherwise cause them to be disabled. @end defvr -@comment (none) -@comment GNU @defvr Macro _REENTRANT @defvrx Macro _THREAD_SAFE +@standardsx{_REENTRANT, GNU, (none)} These macros are obsolete. They have the same effect as defining @code{_POSIX_C_SOURCE} with the value @code{199506L}. |