Thanks, Alex. Applied. On 10/1/20 4:32 PM, Alejandro Colomar wrote: > Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx> > --- > man7/system_data_types.7 | 80 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 80 insertions(+) > > diff --git a/man7/system_data_types.7 b/man7/system_data_types.7 > index c5d0b700d..c130b7256 100644 > --- a/man7/system_data_types.7 > +++ b/man7/system_data_types.7 > @@ -1348,6 +1348,86 @@ See also: > .BR getpwnam (2), > .BR credentials (7) > .RE > +.\"------------------------------------- uint_fastN_t -----------------/ > +.TP > +.IR uint_fast N _t > +.RS > +Include: > +.IR <stdint.h> . > +Alternatively, > +.IR <inttypes.h> . > +.PP > +.IR uint_fast8_t , > +.IR uint_fast16_t , > +.IR uint_fast32_t , > +.I uint_fast64_t > +.PP > +Usually the fastest (see Notes) unsigned integer type > +of a width of at least N bits, > +N being the value specified in its type name. > +According to the C language standard, they shall be > +capable of storing values in the range [0, > +.BR UINT_FAST N _MAX ], > +substituting N by the appropriate number. > +.PP > +The length modifiers for the > +.IR uint_fast N _t > +types for the > +.BR printf (3) > +family of functions > +are expanded by macros of the forms > +.BR PRIuFAST N, > +.BR PRIoFAST N, > +.BR PRIxFAST N > +and > +.BR PRIXFAST N > +(defined in > +.IR <inttypes.h> ); > +resulting for example in > +.B %"PRIuFAST32" > +or > +.B %"PRIxFAST32" > +for printing > +.I uint_fast32_t > +values. > +The length modifiers for the > +.IR uint_fast N _t > +types for the > +.BR scanf (3) > +family of functions > +are expanded by macros of the forms > +.BR SCNuFAST N, > +.BR SCNoFAST N, > +.BR SCNxFAST N > +and > +.BR SCNXFAST N > +(defined in > +.IR <inttypes.h> ); > +resulting for example in > +.B %"SCNuFAST16" > +or > +.B %"SCNxFAST16" > +for scanning > +.I uint_fast16_t > +values. > +.PP > +Conforming to: > +C99 and later; POSIX.1-2001 and later. > +.PP > +Notes: > +Where there is no single type that is fastest for all purposes, > +the implementation may choose any type > +with the required signedness and at least the minimum width. > +.PP > +See also the > +.IR int_fast N _t , > +.IR int_least N _t , > +.IR int N _t , > +.IR uint_least N _t > +and > +.IR uint N _t > +types in this page. > +.RE > .\"------------------------------------- uintmax_t --------------------/ > .TP > .I uintmax_t > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
