| islower.3 (233992) | islower.3 (238919) |
|---|---|
| 1.\" Copyright (c) 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)islower.3 8.1 (Berkeley) 6/4/93 | 1.\" Copyright (c) 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)islower.3 8.1 (Berkeley) 6/4/93 |
| 33.\" $FreeBSD: head/lib/libc/locale/islower.3 233992 2012-04-07 09:05:30Z joel $ | 33.\" $FreeBSD: head/lib/libc/locale/islower.3 238919 2012-07-30 20:56:19Z issyl0 $ |
| 34.\" | 34.\" |
| 35.Dd July 17, 2005 | 35.Dd July 30, 2012 |
| 36.Dt ISLOWER 3 37.Os 38.Sh NAME 39.Nm islower 40.Nd lower-case character test 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In ctype.h 45.Ft int 46.Fn islower "int c" | 36.Dt ISLOWER 3 37.Os 38.Sh NAME 39.Nm islower 40.Nd lower-case character test 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In ctype.h 45.Ft int 46.Fn islower "int c" |
| 47.Ft int 48.Fn islower_l "int c" "locale_t loc" |
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| 47.Sh DESCRIPTION 48The 49.Fn islower 50function tests for any lower-case letters. 51The value of the argument must be representable as an 52.Vt "unsigned char" 53or the value of 54.Dv EOF . 55.Pp 56In the ASCII character set, this includes the following characters 57(with their numeric values shown in octal): 58.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ 59.It "\&141\ ``a''" Ta "142\ ``b''" Ta "143\ ``c''" Ta "144\ ``d''" Ta "145\ ``e''" 60.It "\&146\ ``f''" Ta "147\ ``g''" Ta "150\ ``h''" Ta "151\ ``i''" Ta "152\ ``j''" 61.It "\&153\ ``k''" Ta "154\ ``l''" Ta "155\ ``m''" Ta "156\ ``n''" Ta "157\ ``o''" 62.It "\&160\ ``p''" Ta "161\ ``q''" Ta "162\ ``r''" Ta "163\ ``s''" Ta "164\ ``t''" 63.It "\&165\ ``u''" Ta "166\ ``v''" Ta "167\ ``w''" Ta "170\ ``x''" Ta "171\ ``y''" 64.It "\&172\ ``z''" Ta \& Ta \& Ta \& Ta \& 65.El | 49.Sh DESCRIPTION 50The 51.Fn islower 52function tests for any lower-case letters. 53The value of the argument must be representable as an 54.Vt "unsigned char" 55or the value of 56.Dv EOF . 57.Pp 58In the ASCII character set, this includes the following characters 59(with their numeric values shown in octal): 60.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ 61.It "\&141\ ``a''" Ta "142\ ``b''" Ta "143\ ``c''" Ta "144\ ``d''" Ta "145\ ``e''" 62.It "\&146\ ``f''" Ta "147\ ``g''" Ta "150\ ``h''" Ta "151\ ``i''" Ta "152\ ``j''" 63.It "\&153\ ``k''" Ta "154\ ``l''" Ta "155\ ``m''" Ta "156\ ``n''" Ta "157\ ``o''" 64.It "\&160\ ``p''" Ta "161\ ``q''" Ta "162\ ``r''" Ta "163\ ``s''" Ta "164\ ``t''" 65.It "\&165\ ``u''" Ta "166\ ``v''" Ta "167\ ``w''" Ta "170\ ``x''" Ta "171\ ``y''" 66.It "\&172\ ``z''" Ta \& Ta \& Ta \& Ta \& 67.El |
| 68The 69.Fn islower_l 70function takes an explicit locale argument, whereas the 71.Fn islower 72function uses the current global or per-thread locale. |
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| 66.Sh RETURN VALUES 67The 68.Fn islower | 73.Sh RETURN VALUES 74The 75.Fn islower |
| 69function returns zero if the character tests false and 70returns non-zero if the character tests true. | 76and 77.Fn islower_l 78functions return zero if the character tests false and 79return non-zero if the character tests true. |
| 71.Sh COMPATIBILITY 72The 73.Bx 4.4 74extension of accepting arguments outside of the range of the 75.Vt "unsigned char" 76type in locales with large character sets is considered obsolete 77and may not be supported in future releases. 78The --- 4 unchanged lines hidden (view full) --- 83.Xr iswlower 3 , 84.Xr tolower 3 , 85.Xr ascii 7 86.Sh STANDARDS 87The 88.Fn islower 89function conforms to 90.St -isoC . | 80.Sh COMPATIBILITY 81The 82.Bx 4.4 83extension of accepting arguments outside of the range of the 84.Vt "unsigned char" 85type in locales with large character sets is considered obsolete 86and may not be supported in future releases. 87The --- 4 unchanged lines hidden (view full) --- 92.Xr iswlower 3 , 93.Xr tolower 3 , 94.Xr ascii 7 95.Sh STANDARDS 96The 97.Fn islower 98function conforms to 99.St -isoC . |
| 100The 101.Fn islower_l 102function conforms to 103.St -p1003.1-2008 . |
|