| isspace.3 (233992) | isspace.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.\" @(#)isspace.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.\" @(#)isspace.3 8.1 (Berkeley) 6/4/93 |
| 33.\" $FreeBSD: head/lib/libc/locale/isspace.3 233992 2012-04-07 09:05:30Z joel $ | 33.\" $FreeBSD: head/lib/libc/locale/isspace.3 238919 2012-07-30 20:56:19Z issyl0 $ |
| 34.\" | 34.\" |
| 35.Dd July 17, 2005 | 35.Dd July 30, 2012 |
| 36.Dt ISSPACE 3 37.Os 38.Sh NAME 39.Nm isspace 40.Nd white-space character test 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In ctype.h 45.Ft int 46.Fn isspace "int c" | 36.Dt ISSPACE 3 37.Os 38.Sh NAME 39.Nm isspace 40.Nd white-space character test 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In ctype.h 45.Ft int 46.Fn isspace "int c" |
| 47.Ft int 48.Fn isspace_l "int c" "locale_t loc" |
|
| 47.Sh DESCRIPTION 48The 49.Fn isspace 50function tests for white-space characters. 51For any locale, this includes the following standard characters: 52.Bl -column \&`\et''___ \&``\et''___ \&``\et''___ \&``\et''___ \&``\et''___ \&``\et''___ 53.It "\&``\et''" Ta "``\en''" Ta "``\ev''" Ta "``\ef''" Ta "``\er''" Ta "`` ''" 54.El 55.Pp 56In the "C" locale, 57.Fn isspace 58returns non-zero for these characters only. 59The value of the argument must be representable as an 60.Vt "unsigned char" 61or the value of 62.Dv EOF . | 49.Sh DESCRIPTION 50The 51.Fn isspace 52function tests for white-space characters. 53For any locale, this includes the following standard characters: 54.Bl -column \&`\et''___ \&``\et''___ \&``\et''___ \&``\et''___ \&``\et''___ \&``\et''___ 55.It "\&``\et''" Ta "``\en''" Ta "``\ev''" Ta "``\ef''" Ta "``\er''" Ta "`` ''" 56.El 57.Pp 58In the "C" locale, 59.Fn isspace 60returns non-zero for these characters only. 61The value of the argument must be representable as an 62.Vt "unsigned char" 63or the value of 64.Dv EOF . |
| 65.Pp 66The 67.Fn isspace_l 68function takes an explicit locale argument, whereas the 69.Fn isspace 70function uses the current global or per-thread locale. |
|
| 63.Sh RETURN VALUES 64The 65.Fn isspace | 71.Sh RETURN VALUES 72The 73.Fn isspace |
| 66function returns zero if the character tests false and 67returns non-zero if the character tests true. | 74and 75.Fn isspace_l 76functions return zero if the character tests false and 77return non-zero if the character tests true. |
| 68.Sh COMPATIBILITY 69The 70.Bx 4.4 71extension of accepting arguments outside of the range of the 72.Vt "unsigned char" 73type in locales with large character sets is considered obsolete 74and may not be supported in future releases. 75The --- 4 unchanged lines hidden (view full) --- 80.Xr iswspace 3 , 81.Xr multibyte 3 , 82.Xr ascii 7 83.Sh STANDARDS 84The 85.Fn isspace 86function conforms to 87.St -isoC . | 78.Sh COMPATIBILITY 79The 80.Bx 4.4 81extension of accepting arguments outside of the range of the 82.Vt "unsigned char" 83type in locales with large character sets is considered obsolete 84and may not be supported in future releases. 85The --- 4 unchanged lines hidden (view full) --- 90.Xr iswspace 3 , 91.Xr multibyte 3 , 92.Xr ascii 7 93.Sh STANDARDS 94The 95.Fn isspace 96function conforms to 97.St -isoC . |
| 98The 99.Fn isspace_l 100function conforms to 101.St -p1003.1-2008 . |
|