Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx> --- man7/system_data_types.7 | 82 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) diff --git a/man7/system_data_types.7 b/man7/system_data_types.7 index 9b8244649..2f21e6849 100644 --- a/man7/system_data_types.7 +++ b/man7/system_data_types.7 @@ -1270,6 +1270,88 @@ See also the .I intmax_t type in this page. .RE +.\"------------------------------------- uintN_t ----------------------/ +.TP +.IR uint N _t +.RS +.br +Include: +.IR <stdint.h> . +Alternatively, +.IR <inttypes.h> . +.PP +.IR uint8_t ", " uint16_t ", " uint32_t ", " uint64_t +.PP +An unsigned integer type +of a fixed width of exactly 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 N _MAX ], +substituting N by the appropriate number. +.PP +According to POSIX, +.IR uint8_t ", " uint16_t +and +.I uint32_t +are required; +.I uint64_t +is only required in implementations that provide integer types +with width 64; +and all other types of this form are optional. +.PP +The length modifiers for the +.IR uint N _t +types for the +.BR printf (3) +family of functions +are expanded by macros of the forms +.BR PRIu N, +.BR PRIo N, +.BR PRIx N +and +.BR PRIX N +(defined in +.IR <inttypes.h> ); +resulting for example in +.B %"PRIu32" +or +.B %"PRIx32" +for printing +.I uint32_t +values. +The length modifiers for the +.IR uint N _t +types for the +.BR scanf (3) +family of functions +are expanded by macros of the forms +.BR SCNu N, +.BR SCNo N, +.BR SCNx N +and +.BR SCNX N +(defined in +.IR <inttypes.h> ); +resulting for example in +.B %"SCNu16" +or +.B %"SCNx16" +for scanning +.I uint16_t +values. +.PP +Conforming to: C99 and later; POSIX.1-2001 and later. +.PP +See also the +.IR __int128 , +.IR intmax_t , +.IR int N _t , +.I uintmax_t +and +.I unsigned __int128 +types in this page. +.RE .\"------------------------------------- va_list ----------------------/ .TP .I va_list -- 2.28.0
