Signed-off-by: Alejandro Colomar <colomar.6....@gmail.com> --- man7/system_data_types.7 | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)
diff --git a/man7/system_data_types.7 b/man7/system_data_types.7 index e545aa1a0..5f9aa648f 100644 --- a/man7/system_data_types.7 +++ b/man7/system_data_types.7 @@ -40,6 +40,8 @@ system_data_types \- overview of system data types .\" * Description (no "Description" header) .\" A few lines describing the type. .\" +.\" * Versions (optional) +.\" .\" * Conforming to (see NOTES) .\" Format: CXY and later; POSIX.1-XXXX and later. .\" @@ -48,6 +50,44 @@ system_data_types \- overview of system data types .\" * Bugs (if any) .\" .\" * See also +.\"------------------------------------- __int128 ---------------------/ +.TP +.I __int128 +.RS +.RI [ signed ] +.I __int128 +.PP +A signed integer type +of a fixed width of exactly 128 bits. +.PP +When using GCC, +it is supported only for targets where +the compiler is able to generate efficient code for 128-bit arithmetic. +.PP +Versions: +GCC 4.6.0 and later. +.PP +Conforming to: +This is a non-standard extension, present in GCC. +It is not standardized by the C language standard nor POSIX. +.PP +Notes: +This type is available without including any header. +.PP +Bugs: +It is not possible to express an integer constant of type +.I __int128 +in implementations where +.I long long +is less than 128 bits wide. +.PP +See also the +.IR intmax_t , +.IR int N _t +and +.I unsigned __int128 +types in this page. +.RE .\"------------------------------------- aiocb ------------------------/ .TP .I aiocb -- 2.28.0
