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+.\" Copyright (c) 1990, 1991, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Chris Torek.
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" from: @(#)string.3 8.2 (Berkeley) 12/11/93
+.\" $NetBSD: string.3,v 1.18 2017/04/26 07:40:09 abhinav Exp $
+.\"
+.Dd April 26, 2017
+.Dt STRING 3
+.Os
+.Sh NAME
+.Nm string
+.Nd string specific functions
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In string.h
+.Ft char *
+.Fn stpcpy "char *dst" "const char *src"
+.Ft char *
+.Fn stpncpy "char *dst" "const char *src" "size_t count"
+.Ft char *
+.Fn strcat "char *s" "const char * append"
+.Ft size_t
+.Fn strlcat "char *dst" "const char *src" "size_t size"
+.Ft char *
+.Fn strncat "char *s" "const char *append" "size_t count"
+.Ft char *
+.Fn strchr "const char *s" "int c"
+.Ft char *
+.Fn strrchr "const char *s" "int c"
+.Ft int
+.Fn strcmp "const char *s1" "const char *s2"
+.Ft int
+.Fn strncmp "const char *s1" "const char *s2" "size_t count"
+.Ft int
+.Fn strcasecmp "const char *s1" "const char *s2"
+.Ft int
+.Fn strncasecmp "const char *s1" "const char *s2" "size_t count"
+.Ft int
+.Fn strcoll "const char *s1" "const char *s2"
+.Ft char *
+.Fn strcpy "char *dst" "const char *src"
+.Ft size_t
+.Fn strlcpy "char *dst" "const char *src" "size_t size"
+.Ft char *
+.Fn strncpy "char *dst" "const char *src" "size_t count"
+.Ft char *
+.Fn strerror "int errno"
+.Ft int
+.Fn strerror_r "int errnum" "char *strerrbuf" "size_t buflen"
+.Ft size_t
+.Fn strlen "const char *s"
+.Ft size_t
+.Fn strnlen "const char *s" "size_t count"
+.Ft char *
+.Fn strpbrk "const char *s" "const char *charset"
+.Ft char *
+.Fn strsep "char **stringp" "const char *delim"
+.Ft char *
+.Fn stresep "char **stringp" "const char *delim" "int escape"
+.Ft size_t
+.Fn strspn "const char *s" "const char *charset"
+.Ft size_t
+.Fn strcspn "const char *s" "const char *charset"
+.Ft char *
+.Fn strdup "const char *str"
+.Ft char *
+.Fn strndup "const char *str" "size_t len"
+.Ft char *
+.Fn strstr "const char *big" "const char *little"
+.Ft char *
+.Fn strcasestr "const char *big" "const char *little"
+.Ft char *
+.Fn strtok "char *s" "const char *delim"
+.Ft char *
+.Fn strtok_r "char *s" "const char *delim" "char **lasts"
+.Ft size_t
+.Fn strxfrm "char *dst" "const char *src" "size_t n"
+.Sh DESCRIPTION
+The string
+functions manipulate strings terminated by a
+nul byte.
+.Pp
+See the specific manual pages for more information.
+For manipulating variable length generic objects as byte
+strings (without the nul byte check), see
+.Xr bstring 3 .
+.Pp
+Except as noted in their specific manual pages,
+the string functions do not test the destination
+for size limitations.
+.Sh SEE ALSO
+.Xr bstring 3 ,
+.Xr strcat 3 ,
+.Xr strchr 3 ,
+.Xr strcmp 3 ,
+.Xr strcoll 3 ,
+.Xr strcpy 3 ,
+.Xr strcspn 3 ,
+.Xr strdup 3 ,
+.Xr strerror 3 ,
+.Xr strings 3 ,
+.Xr strlcat 3 ,
+.Xr strlen 3 ,
+.Xr strpbrk 3 ,
+.Xr strrchr 3 ,
+.Xr strsep 3 ,
+.Xr strspn 3 ,
+.Xr strstr 3 ,
+.Xr strtok 3 ,
+.Xr strxfrm 3
+.Sh STANDARDS
+The
+.Fn strcat ,
+.Fn strncat ,
+.Fn strchr ,
+.Fn strrchr ,
+.Fn strcmp ,
+.Fn strncmp ,
+.Fn strcpy ,
+.Fn strncpy ,
+.Fn strcoll ,
+.Fn strerror ,
+.Fn strlen ,
+.Fn strpbrk ,
+.Fn strsep ,
+.Fn strspn ,
+.Fn strcspn ,
+.Fn strstr ,
+.Fn strtok ,
+and
+.Fn strxfrm
+functions conform to
+.St -ansiC .
+.Pp
+The
+.Fn strtok_r
+function conforms to
+.St -p1003.1c-95 .
+.Pp
+The
+.Fn strerror_r
+function conforms to
+.St -p1003.1-2001 .