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Annotation of src/lib/libc/gen/isblank.3, Revision 1.6

1.6     ! wiz         1: .\"    $NetBSD: isblank.3,v 1.5 2001/09/16 02:30:24 wiz Exp $
1.3       cgd         2: .\"
1.1       jtc         3: .\" Copyright (c) 1991 The Regents of the University of California.
                      4: .\" All rights reserved.
                      5: .\"
                      6: .\" This code is derived from software contributed to Berkeley by
                      7: .\" the American National Standards Committee X3, on Information
                      8: .\" Processing Systems.
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                     10: .\" Redistribution and use in source and binary forms, with or without
                     11: .\" modification, are permitted provided that the following conditions
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                     13: .\" 1. Redistributions of source code must retain the above copyright
                     14: .\"    notice, this list of conditions and the following disclaimer.
                     15: .\" 2. Redistributions in binary form must reproduce the above copyright
                     16: .\"    notice, this list of conditions and the following disclaimer in the
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                     19: .\"    must display the following acknowledgement:
                     20: .\"    This product includes software developed by the University of
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                     22: .\" 4. Neither the name of the University nor the names of its contributors
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                     26: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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1.3       cgd        38: .\"     @(#)isspace.3  5.3 (Berkeley) 7/31/91
1.1       jtc        39: .\"
                     40: .Dd September 14, 1993
1.2       jtc        41: .Dt ISBLANK 3
1.1       jtc        42: .Os
                     43: .Sh NAME
                     44: .Nm isblank
                     45: .Nd blank-space character test
1.4       perry      46: .Sh LIBRARY
                     47: .Lb libc
1.1       jtc        48: .Sh SYNOPSIS
                     49: .Fd #include <ctype.h>
                     50: .Ft int
                     51: .Fn isblank "int c"
                     52: .Sh DESCRIPTION
                     53: The
                     54: .Fn isblank
                     55: function tests for the standard blank-space characters.
                     56: The standard blank-space characters are the following:
                     57: .Pp
                     58: .Bl -tag -width xxxxx -offset indent -compact
                     59: .It Sq \0
                     60: Space character.
                     61: .It Li \et
                     62: Horizontal tab.
                     63: .El
                     64: .Pp
1.5       wiz        65: In the
1.1       jtc        66: .Em ``C''
                     67: locale,
                     68: .Fn isblank
                     69: returns true only for the standard blank-space characters.
                     70: .Sh RETURN VALUES
                     71: The
                     72: .Fn isblank
                     73: macro returns zero if the character tests false and
                     74: returns non-zero if the character tests true.
                     75: .Sh SEE ALSO
                     76: .Xr isalnum 3 ,
                     77: .Xr isalpha 3 ,
1.6     ! wiz        78: .Xr isascii 3 ,
1.1       jtc        79: .Xr iscntrl 3 ,
                     80: .Xr isdigit 3 ,
                     81: .Xr isgraph 3 ,
                     82: .Xr islower 3 ,
                     83: .Xr isprint 3 ,
                     84: .Xr ispunct 3 ,
                     85: .Xr isspace 3 ,
                     86: .Xr isupper 3 ,
                     87: .Xr isxdigit 3 ,
1.6     ! wiz        88: .Xr stdio 3 ,
1.1       jtc        89: .Xr toascii 3 ,
                     90: .Xr tolower 3 ,
                     91: .Xr toupper 3 ,
                     92: .Xr ascii 7

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