Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx> --- man7/system_data_types.7 | 79 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/man7/system_data_types.7 b/man7/system_data_types.7 index 2e7aca7d2..9b8244649 100644 --- a/man7/system_data_types.7 +++ b/man7/system_data_types.7 @@ -399,6 +399,85 @@ See also the .I uintmax_t type in this page. .RE +.\"------------------------------------- intN_t -----------------------/ +.TP +.IR int N _t +.RS +.br +Include: +.IR <stdint.h> . +Alternatively, +.IR <inttypes.h> . +.PP +.IR int8_t ", " int16_t ", " int32_t ", " int64_t +.PP +A signed 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 +.RB [ INT N _MIN , +.BR INT N _MAX ], +substituting N by the appropriate number. +.PP +According to POSIX, +.IR int8_t ", " int16_t +and +.I int32_t +are required; +.I int64_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 int N _t +types for the +.BR printf (3) +family of functions +are expanded by macros of the forms +.BR PRId N +and +.BR PRIi N +(defined in +.IR <inttypes.h> ); +resulting for example in +.B %"PRId64" +or +.B %"PRIi64" +for printing +.I int64_t +values. +The length modifiers for the +.IR int N _t +types for the +.BR scanf (3) +family of functions +are expanded by macros of the forms +.BR SCNd N +and +.BR SCNi N, +(defined in +.IR <inttypes.h> ); +resulting for example in +.B %"SCNd8" +or +.B %"SCNi8" +for scanning +.I int8_t +values. +.PP +Conforming to: C99 and later; POSIX.1-2001 and later. +.PP +See also the +.IR __int128 , +.IR intmax_t , +.IR uint N _t , +.I uintmax_t +and +.I unsigned __int128 +types in this page. +.RE .\"------------------------------------- lconv ------------------------/ .TP .I lconv -- 2.28.0
