Lines Matching +full:non +full:- +full:negative

2 .\" SPDX-License-Identifier: BSD-2-Clause
4 .\" Copyright (c) 2018-2024 Gavin D. Howard and contributors.
32 bc \- arbitrary\-precision decimal arithmetic language and calculator
34 \f[B]bc\f[R] [\f[B]\-cCghilPqRsvVw\f[R]] [\f[B]\-\-digit\-clamp\f[R]]
35 [\f[B]\-\-no\-digit\-clamp\f[R]] [\f[B]\-\-global\-stacks\f[R]]
36 [\f[B]\-\-help\f[R]] [\f[B]\-\-interactive\f[R]] [\f[B]\-\-mathlib\f[R]]
37 [\f[B]\-\-no\-prompt\f[R]] [\f[B]\-\-no\-read\-prompt\f[R]]
38 [\f[B]\-\-quiet\f[R]] [\f[B]\-\-standard\f[R]] [\f[B]\-\-warn\f[R]]
39 [\f[B]\-\-version\f[R]] [\f[B]\-e\f[R] \f[I]expr\f[R]]
40 [\f[B]\-\-expression\f[R]=\f[I]expr\f[R]\&...]
41 [\f[B]\-f\f[R] \f[I]file\f[R]\&...]
42 [\f[B]\-\-file\f[R]=\f[I]file\f[R]\&...]
44 [\f[B]\-I\f[R] \f[I]ibase\f[R]] [\f[B]\-\-ibase\f[R]=\f[I]ibase\f[R]]
45 [\f[B]\-O\f[R] \f[I]obase\f[R]] [\f[B]\-\-obase\f[R]=\f[I]obase\f[R]]
46 [\f[B]\-S\f[R] \f[I]scale\f[R]] [\f[B]\-\-scale\f[R]=\f[I]scale\f[R]]
47 [\f[B]\-E\f[R] \f[I]seed\f[R]] [\f[B]\-\-seed\f[R]=\f[I]seed\f[R]]
53 somewhat C\-like, but there are differences.
59 This bc(1) is a drop\-in replacement for \f[I]any\f[R] bc(1), including
68 To fix that, use the command\-line option \f[B]\-r\f[R]
79 \f[B]\-C\f[R], \f[B]\-\-no\-digit\-clamp\f[R]
89 If this and/or the \f[B]\-c\f[R] or \f[B]\-\-digit\-clamp\f[R] options
94 can be queried with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
96 This is a \f[B]non\-portable extension\f[R].
99 \f[B]\-c\f[R], \f[B]\-\-digit\-clamp\f[R]
110 If this and/or the \f[B]\-C\f[R] or \f[B]\-\-no\-digit\-clamp\f[R]
115 can be queried with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
117 This is a \f[B]non\-portable extension\f[R].
120 \f[B]\-E\f[R] \f[I]seed\f[R], \f[B]\-\-seed\f[R]=\f[I]seed\f[R]
128 This is a \f[B]non\-portable extension\f[R].
131 \f[B]\-e\f[R] \f[I]expr\f[R], \f[B]\-\-expression\f[R]=\f[I]expr\f[R]
134 If files are given as well (see the \f[B]\-f\f[R] and \f[B]\-\-file\f[R]
140 If this option is given on the command\-line (i.e., not in
143 \f[B]\-\f[R] (\f[B]stdin\f[R]) was given as an argument at least once to
144 \f[B]\-f\f[R] or \f[B]\-\-file\f[R], whether on the command\-line or in
146 However, if any other \f[B]\-e\f[R], \f[B]\-\-expression\f[R],
147 \f[B]\-f\f[R], or \f[B]\-\-file\f[R] arguments are given after
148 \f[B]\-f\-\f[R] or equivalent is given, bc(1) will give a fatal error
151 This is a \f[B]non\-portable extension\f[R].
154 \f[B]\-f\f[R] \f[I]file\f[R], \f[B]\-\-file\f[R]=\f[I]file\f[R]
157 If expressions are also given (see the \f[B]\-e\f[R] and
158 \f[B]\-\-expression\f[R] options), the expressions are evaluated in the
162 If this option is given on the command\-line (i.e., not in
165 \f[B]\-\f[R] (\f[B]stdin\f[R]) was given as an argument at least once to
166 \f[B]\-f\f[R] or \f[B]\-\-file\f[R].
167 However, if any other \f[B]\-e\f[R], \f[B]\-\-expression\f[R],
168 \f[B]\-f\f[R], or \f[B]\-\-file\f[R] arguments are given after
169 \f[B]\-f\-\f[R] or equivalent is given, bc(1) will give a fatal error
172 This is a \f[B]non\-portable extension\f[R].
175 \f[B]\-g\f[R], \f[B]\-\-global\-stacks\f[R]
224 alias d2o=\[dq]bc \-e ibase=A \-e obase=8\[dq]
225 alias h2b=\[dq]bc \-e ibase=G \-e obase=2\[dq]
236 This means that the sequence of pseudo\-random numbers that they see
237 will not be the same sequence of pseudo\-random numbers that any parent
241 If a function desires to not affect the sequence of pseudo\-random
254 If \f[B]\-s\f[R], \f[B]\-w\f[R], or any equivalents are used, this
257 This is a \f[B]non\-portable extension\f[R].
260 \f[B]\-h\f[R], \f[B]\-\-help\f[R]
263 \f[B]\-I\f[R] \f[I]ibase\f[R], \f[B]\-\-ibase\f[R]=\f[I]ibase\f[R]
271 This is a \f[B]non\-portable extension\f[R].
274 \f[B]\-i\f[R], \f[B]\-\-interactive\f[R]
279 This is a \f[B]non\-portable extension\f[R].
282 \f[B]\-L\f[R], \f[B]\-\-no\-line\-length\f[R]
289 This is a \f[B]non\-portable extension\f[R].
292 \f[B]\-l\f[R], \f[B]\-\-mathlib\f[R]
302 \f[B]\-O\f[R] \f[I]obase\f[R], \f[B]\-\-obase\f[R]=\f[I]obase\f[R]
310 This is a \f[B]non\-portable extension\f[R].
313 \f[B]\-P\f[R], \f[B]\-\-no\-prompt\f[R]
326 This is a \f[B]non\-portable extension\f[R].
329 \f[B]\-q\f[R], \f[B]\-\-quiet\f[R]
331 (https://www.gnu.org/software/bc/); it is a no\-op.
334 \f[B]\-v\f[R], \f[B]\-V\f[R], or \f[B]\-\-version\f[R] options are given
336 a non\-zero integer or if this bc(1) was built with the header displayed
342 This is a \f[B]non\-portable extension\f[R].
345 \f[B]\-R\f[R], \f[B]\-\-no\-read\-prompt\f[R]
358 is only used when the \f[B]read()\f[R] built\-in function is called.
364 This is a \f[B]non\-portable extension\f[R].
367 \f[B]\-r\f[R] \f[I]keyword\f[R], \f[B]\-\-redefine\f[R]=\f[I]keyword\f[R]
428 \f[B]\-S\f[R] \f[I]scale\f[R], \f[B]\-\-scale\f[R]=\f[I]scale\f[R]
436 This is a \f[B]non\-portable extension\f[R].
439 \f[B]\-s\f[R], \f[B]\-\-standard\f[R]
444 This is a \f[B]non\-portable extension\f[R].
447 \f[B]\-v\f[R], \f[B]\-V\f[R], \f[B]\-\-version\f[R]
451 This is a \f[B]non\-portable extension\f[R].
454 \f[B]\-w\f[R], \f[B]\-\-warn\f[R]
455 Like \f[B]\-s\f[R] and \f[B]\-\-standard\f[R], except that warnings (and
456 not errors) are printed for non\-standard extensions and execution
460 This is a \f[B]non\-portable extension\f[R].
463 \f[B]\-z\f[R], \f[B]\-\-leading\-zeroes\f[R]
464 Makes bc(1) print all numbers greater than \f[B]\-1\f[R] and less than
472 This is a \f[B]non\-portable extension\f[R].
475 All long options are \f[B]non\-portable extensions\f[R].
477 If no files or expressions are given by the \f[B]\-f\f[R],
478 \f[B]\-\-file\f[R], \f[B]\-e\f[R], or \f[B]\-\-expression\f[R] options,
493 Any non\-error output is written to \f[B]stdout\f[R].
501 \f[B]bc  >&\-\f[R], it will quit with an error.
514 \f[B]bc  2>&\-\f[R], it will quit with an error.
522 The syntax for bc(1) programs is mostly C\-like, with some differences.
533 followed by any number (up to \f[B]BC_NAME_MAX\-1\f[R]) of lowercase
534 letters (\f[B]a\-z\f[R]), digits (\f[B]0\-9\f[R]), and underscores
536 The regex is \f[B][a\-z][a\-z0\-9_]*\f[R].
538 \f[B]non\-portable extension\f[R].
545 If the \f[B]\-s\f[R] (\f[B]\-\-standard\f[R]) and \f[B]\-w\f[R]
546 (\f[B]\-\-warn\f[R]) flags were not given on the command line, the max
551 programs with the \f[B]maxibase()\f[R] built\-in function.
558 can be queried in bc(1) programs with the \f[B]maxobase()\f[R] built\-in
567 \f[B]non\-portable extensions\f[R].
574 \f[B]scale\f[R] cannot be negative.
577 built\-in function.
602 These are \f[B]non\-portable extensions\f[R].
612 This is a \f[B]non\-portable extension\f[R].
630 Numbers 6 and 7 are \f[B]non\-portable extensions\f[R].
632 The meaning of \f[B]seed\f[R] is dependent on the current pseudo\-random
639 and used again, the pseudo\-random number generator is guaranteed to
640 produce the same sequence of pseudo\-random numbers as it did when the
647 same sequence of pseudo\-random numbers.
649 \f[I]not\f[R] produce unique sequences of pseudo\-random numbers.
653 \f[B]irand(E)\f[R] is \f[B]0\f[R], \f[B]1\f[R], or negative.
679 \f[B]E\f[R] must be non\-negative.
685 Passing a string to \f[B]length(E)\f[R] is a \f[B]non\-portable
689 This is a \f[B]non\-portable extension\f[R].
694 This is a \f[B]non\-portable extension\f[R].
698 This is a \f[B]non\-portable extension\f[R].
702 This is a \f[B]non\-portable extension\f[R].
708 The second argument must be non\-negative.
709 The third argument must be non\-zero.
710 This is a \f[B]non\-portable extension\f[R].
715 which must be non\-zero.
718 This is a \f[B]non\-portable extension\f[R].
723 that number as a one\-character string.
724 This is a \f[B]non\-portable extension\f[R].
729 This allows creating multi\-character strings and storing them.
730 This is a \f[B]non\-portable extension\f[R].
733 \f[B]I\f[R] is an identifier for a non\-\f[B]void\f[R] function (see the
745 This is a \f[B]non\-portable extension\f[R].
748 This is a \f[B]non\-portable extension\f[R].
751 This is a \f[B]non\-portable extension\f[R].
754 This is a \f[B]non\-portable extension\f[R].
759 This is a \f[B]non\-portable extension\f[R].
762 with the \f[B]\-g\f[R] or \f[B]\-\-global\-stacks\f[R] options,
763 non\-zero otherwise.
765 This is a \f[B]non\-portable extension\f[R].
768 with the \f[B]\-z\f[R] or \f[B]\[en]leading\-zeroes\f[R] options,
769 non\-zero otherwise.
771 This is a \f[B]non\-portable extension\f[R].
773 \f[B]rand()\f[R]: A pseudo\-random integer between \f[B]0\f[R]
776 This is a \f[B]non\-portable extension\f[R].
778 \f[B]irand(E)\f[R]: A pseudo\-random integer between \f[B]0\f[R]
780 If \f[B]E\f[R] is negative or is a non\-integer (\f[B]E\f[R]\[cq]s
785 honored by generating several pseudo\-random integers, multiplying them
794 This is a \f[B]non\-portable extension\f[R].
797 This is a \f[B]non\-portable extension\f[R].
801 the pseudo\-random number generator.
803 \f[B]Note\f[R]: The values returned by the pseudo\-random number
806 This is a consequence of using a seeded pseudo\-random number generator.
809 This means that the pseudo\-random values from bc(1) should only be used
810 where a reproducible stream of pseudo\-random numbers is
812 In any other case, use a non\-seeded pseudo\-random number generator.
824 the \f[B]\-c\f[R]/\f[B]\-\-digit\-clamp\f[R] or
825 \f[B]\-C\f[R]/\f[B]\-\-no\-digit\-clamp\f[R] options (see the
829 \f[B]\-h\f[R]/\f[B]\-\-help\f[R] option.
847 There is one exception to clamping: single\-character numbers (i.e.,
866 Negative exponents are also allowed, so \f[B]4.2890e\-3\f[R] is equal to
869 Using scientific notation is an error or warning if the \f[B]\-s\f[R] or
870 \f[B]\-w\f[R], respectively, command\-line options (or equivalents) are
880 \f[B]10e\-4\f[R], the resulting decimal number will be \f[B]0.0016\f[R].
882 Accepting input as scientific notation is a \f[B]non\-portable
889 \f[B]++\f[R] \f[B]\-\-\f[R]
898 \f[B]\-\f[R] \f[B]!\f[R]
943 \f[B]+\f[R] \f[B]\-\f[R]
961 \f[B]=\f[R] \f[B]<<=\f[R] \f[B]>>=\f[R] \f[B]+=\f[R] \f[B]\-=\f[R] \f[B]*=\f[R] \f[B]/=\f[R] \f[B]%…
999 \f[B]++\f[R] \f[B]\-\-\f[R]
1010 \f[B]\-\f[R]
1024 This is a \f[B]non\-portable extension\f[R].
1032 This is a \f[B]non\-portable extension\f[R].
1046 non\-negative.
1048 This is a \f[B]non\-portable extension\f[R].
1059 is negative, the first value must be non\-zero.
1077 The second expression must be non\-zero.
1084 \f[B]a\-(a/b)*b\f[R] to \f[I]scale\f[R]
1088 The second expression must be non\-zero.
1096 \f[B]\-\f[R]
1108 non\-negative.
1110 This is a \f[B]non\-portable extension\f[R].
1120 non\-negative.
1122 This is a \f[B]non\-portable extension\f[R].
1125 \f[B]=\f[R] \f[B]<<=\f[R] \f[B]>>=\f[R] \f[B]+=\f[R] \f[B]\-=\f[R] \f[B]*=\f[R] \f[B]/=\f[R] \f[B]%…
1138 extensions are themselves \f[B]non\-portable extensions\f[R].
1155 This allowance is a \f[B]non\-portable extension\f[R].
1160 \f[B]1\f[R] if both expressions are non\-zero, \f[B]0\f[R] otherwise.
1163 This is \f[I]not\f[R] a short\-circuit operator.
1165 This is a \f[B]non\-portable extension\f[R].
1170 \f[B]1\f[R] if one of the expressions is non\-zero, \f[B]0\f[R]
1174 This is \f[I]not\f[R] a short\-circuit operator.
1176 This is a \f[B]non\-portable extension\f[R].
1225 Numbers 4, 9, 11, 12, 14, 15, and 16 are \f[B]non\-portable
1228 Also, as a \f[B]non\-portable extension\f[R], any or all of the
1245 branch that will not be executed (it is a compile\-time command).
1270 This is like the \f[B]quit\f[R] statement in that it is a compile\-time
1283 run with either the \f[B]\-s\f[R] or \f[B]\-w\f[R] command\-line options
1287 \f[B]non\-portable extension\f[R].
1305 functions are \f[B]non\-portable extensions\f[R].
1333 character to be printed as\-is.
1335 Any non\-string expression in a print statement shall be assigned to
1348 and each digit is interpreted as an 8\-bit ASCII character, making it a
1394 As a \f[B]non\-portable extension\f[R], the opening brace of a
1397 As a \f[B]non\-portable extension\f[R], the return statement may also be
1433 This is a \f[B]non\-portable extension\f[R].
1448 This is a \f[B]non\-portable extension\f[R].
1452 available when the \f[B]\-l\f[R] or \f[B]\-\-mathlib\f[R] command\-line
1454 when the \f[B]\-s\f[R] option, the \f[B]\-w\f[R] option, or equivalents
1510 \f[B]\-s\f[R]/\f[B]\-\-standard\f[R] or \f[B]\-w\f[R]/\f[B]\-\-warn\f[R]
1514 The extended library is a \f[B]non\-portable extension\f[R].
1522 It is an error if \f[B]y\f[R] is negative and \f[B]x\f[R] is
1596 If \f[B]r\f[R] is \f[B]0\f[R] or negative, this raises an error and
1599 and \f[B]x\f[R] is negative.
1635 \f[B]0\f[R], it returns \f[B]a(y/x)\-pi\f[R].
1639 \f[B]0\f[R], it returns \f[B]\-pi/2\f[R].
1673 If \f[B]x\f[R] is equal to \f[B]1\f[R] or \f[B]\-1\f[R], this raises an
1701 \f[B]0\f[R], it returns \f[B]a(y/x)\-pi\f[R].
1705 \f[B]0\f[R], it returns \f[B]\-pi/2\f[R].
1734 Generates a pseudo\-random number between \f[B]0\f[R] (inclusive) and
1743 Generates a pseudo\-random number that is between \f[B]0\f[R]
1754 as inclusive bounds to enerate a pseudo\-random integer.
1800 and calculates and returns the result of \f[B]a\f[R] bit\-shifted left
1811 bit\-shifted right by \f[B]b\f[R] places.
1875 though it has the same number of 8\-bit bytes as the truncated absolute
1930 \f[B]x\f[R], as though it has the same number of unsigned 8\-bit bytes
1934 8\-bit bytes.
1988 unsigned 8\-bit bytes, by the number of places equal to the truncated
1990 binary digits in the minimum number of 8\-bit bytes.
1999 \f[B]x\f[R], as though it has the same number of unsigned 8\-bit bytes
2003 8\-bit bytes.
2057 unsigned 8\-bit bytes, by the number of places equal to the truncated
2059 binary digits in the minimum number of 8\-bit bytes.
2113 Assumes \f[B]t\f[R] is a bitwise\-reversed number with an extra set bit
2125 \f[B]\-1\f[R] and less than \f[B]1\f[R], it is printed with a leading
2126 zero, regardless of the use of the \f[B]\-z\f[R] option (see the
2135 \f[B]\-1\f[R] and less than \f[B]1\f[R], it is printed with a leading
2136 zero, regardless of the use of the \f[B]\-z\f[R] option (see the
2145 \f[B]\-1\f[R] and less than \f[B]1\f[R], it is printed without a leading
2146 zero, regardless of the use of the \f[B]\-z\f[R] option (see the
2155 \f[B]\-1\f[R] and less than \f[B]1\f[R], it is printed without a leading
2156 zero, regardless of the use of the \f[B]\-z\f[R] option (see the
2168 Returns the numbers of signed, two\[cq]s\-complement integer bytes
2172 Returns \f[B]x\f[R] if it is non\-negative.
2173 If it \f[I]is\f[R] negative, then it calculates what \f[B]x\f[R] would
2174 be as a 2\[cq]s\-complement signed integer and returns the non\-negative
2178 Returns \f[B]x\f[R] if it is non\-negative.
2179 If it \f[I]is\f[R] negative, then it calculates what \f[B]x\f[R] would
2180 be as a 2\[cq]s\-complement signed integer with \f[B]n\f[R] bytes and
2181 returns the non\-negative integer that would have the same
2183 If \f[B]x\f[R] cannot fit into \f[B]n\f[R] 2\[cq]s\-complement signed
2217 If \f[B]x\f[R] is not an integer or is negative, an error message is
2227 a signed, two\[cq]s\-complement integer in as few power of two bytes as
2245 If \f[B]x\f[R] is not an integer, is negative, or cannot fit into
2255 a signed, two\[cq]s\-complement integer in \f[B]n\f[R] bytes.
2273 If \f[B]x\f[R] is not an integer, is negative, or cannot fit into
2283 a signed, two\[cq]s\-complement integer in \f[B]1\f[R] byte.
2301 If \f[B]x\f[R] is not an integer, is negative, or cannot fit into
2311 a signed, two\[cq]s\-complement integer in \f[B]2\f[R] bytes.
2329 If \f[B]x\f[R] is not an integer, is negative, or cannot fit into
2339 a signed, two\[cq]s\-complement integer in \f[B]4\f[R] bytes.
2357 If \f[B]x\f[R] is not an integer, is negative, or cannot fit into
2367 a signed, two\[cq]s\-complement integer in \f[B]8\f[R] bytes.
2414 \- 1\f[R] is the most significant byte.
2476 When bc(1) encounters an error or a signal that it has a non\-default
2547 Set at \f[B]SIZE_MAX\-1\f[R].
2551 Set at \f[B]BC_OVERFLOW_MAX\-1\f[R].
2555 Set at \f[B]BC_OVERFLOW_MAX\-1\f[R].
2559 Set at \f[B]BC_OVERFLOW_MAX\-1\f[R].
2564 Set at \f[B]BC_OVERFLOW_MAX\-1\f[R].
2569 Set at \f[B]2\[ha]BC_LONG_BIT\-1\f[R].
2572 The maximum allowable exponent (positive or negative).
2577 Set at \f[B]SIZE_MAX\-1\f[R].
2581 These limits are meant to be effectively non\-existent; the limits are
2582 so large (at least on 64\-bit machines) that there should not be any
2586 As \f[B]non\-portable extensions\f[R], bc(1) recognizes the following
2591 the \f[B]\-s\f[R] option was given.
2594 This is another way to give command\-line arguments to bc(1).
2595 They should be in the same format as all other command\-line arguments.
2598 on the command\-line.
2619 parsing, though such files are still supported on the command\-line
2626 (\f[B]2\[ha]16\-1\f[R]), bc(1) will output lines to that length,
2638 non\-zero value activates the copyright banner when bc(1) is in
2647 with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
2657 variable exists and contains an integer, a non\-zero value makes bc(1)
2663 with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
2672 exists and contains an integer, then a non\-zero value makes bc(1) use
2676 with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
2685 exists and contains an integer, a non\-zero value makes bc(1) use a
2686 prompt, and zero or a non\-integer makes bc(1) not use a prompt.
2693 \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
2697 If any expressions or expression files are given on the command\-line
2698 with \f[B]\-e\f[R], \f[B]\-\-expression\f[R], \f[B]\-f\f[R], or
2699 \f[B]\-\-file\f[R], then if this environment variable exists and
2700 contains an integer, a non\-zero value makes bc(1) exit after executing
2706 with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
2711 contains an integer, a non\-zero value makes bc(1) clamp digits that are
2718 This never applies to single\-digit numbers, as per the standard (see
2722 with the \f[B]\-h\f[R] or \f[B]\-\-help\f[R] options.
2737 negative number, using a negative number as a bound for the
2738 pseudo\-random number generator, attempting to convert a negative number
2741 to use a non\-integer where an integer is required.
2763 when the option \f[B]\-s\f[R] or any equivalents were given.
2786 directory as a file, and giving invalid command\-line options.
2797 \f[B]\-i\f[R] flag or \f[B]\-\-interactive\f[R] option.
2801 \f[B]\-i\f[R] flag or \f[B]\-\-interactive\f[R] option.
2804 interactive mode and a non\-interactive mode.
2806 and \f[B]stdout\f[R] are hooked to a terminal, but the \f[B]\-i\f[R]
2807 flag and \f[B]\-\-interactive\f[R] option can turn it on in other
2824 that environment variable contains a non\-zero integer, bc(1) will turn
2828 \f[I]not\f[R] a non\-zero integer, then bc(1) will not turn TTY mode on.
2832 The default setting can be queried with the \f[B]\-h\f[R] or
2833 \f[B]\-\-help\f[R] options.
2846 non\-zero integer, then the prompt is turned on when \f[B]stdin\f[R],
2848 \f[B]\-P\f[R] and \f[B]\-\-no\-prompt\f[R] options were not used.
2850 the \f[B]\-R\f[R] and \f[B]\-\-no\-read\-prompt\f[R] options must also
2855 the \f[B]\-P\f[R] and \f[B]\-\-no\-prompt\f[R] options, and the
2856 \f[B]\-R\f[R] and \f[B]\-\-no\-read\-prompt\f[R] options.
2868 \f[B]BC_SIGINT_RESET\f[R] or its default is an integer and non\-zero,
2896 bc(1) is compliant with the IEEE Std 1003.1\-2017
2897 (\[lq]POSIX.1\-2017\[rq]) specification at
2899 The flags \f[B]\-efghiqsvVw\f[R], all long options, and the extensions