Use OpenBSD string.h

include/Makefile.am

@@ -1,3 +1,4 @@
 noinst_HEADERS =
+noinst_HEADERS += string.h
 noinst_HEADERS += sys/queue.h
 noinst_HEADERS += sys/tree.h

include/string.h

@@ -0,0 +1,138 @@
+/*	$OpenBSD: string.h,v 1.32 2017/09/05 03:16:13 schwarze Exp $	*/
+/*	$NetBSD: string.h,v 1.6 1994/10/26 00:56:30 cgd Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ *	@(#)string.h	5.10 (Berkeley) 3/9/91
+ */
+
+#ifndef _STRING_H_
+#define	_STRING_H_
+
+#include <sys/cdefs.h>
+#include <sys/_null.h>
+#include <machine/_types.h>
+
+/*
+ * POSIX mandates that certain string functions not present in ISO C
+ * be prototyped in strings.h.  Historically, we've included them here.
+ */
+#if __BSD_VISIBLE
+#include <strings.h>
+#endif
+
+#ifndef	_SIZE_T_DEFINED_
+#define	_SIZE_T_DEFINED_
+typedef	__size_t	size_t;
+#endif
+
+#if __POSIX_VISIBLE >= 200809
+#ifndef _LOCALE_T_DEFINED_
+#define _LOCALE_T_DEFINED_
+typedef void	*locale_t;
+#endif
+#endif
+
+__BEGIN_DECLS
+void	*memchr(const void *, int, size_t);
+int	 memcmp(const void *, const void *, size_t);
+void	*memcpy(void *__restrict, const void *__restrict, size_t)
+		__attribute__ ((__bounded__(__buffer__,1,3)))
+		__attribute__ ((__bounded__(__buffer__,2,3)));
+void	*memmove(void *, const void *, size_t)
+		__attribute__ ((__bounded__(__buffer__,1,3)))
+		__attribute__ ((__bounded__(__buffer__,2,3)));
+void	*memset(void *, int, size_t)
+		__attribute__ ((__bounded__(__buffer__,1,3)));
+char	*strcat(char *__restrict, const char *__restrict);
+char	*strchr(const char *, int);
+int	 strcmp(const char *, const char *);
+int	 strcoll(const char *, const char *);
+char	*strcpy(char *__restrict, const char *__restrict);
+size_t	 strcspn(const char *, const char *);
+char	*strerror(int);
+size_t	 strlen(const char *);
+char	*strncat(char *__restrict, const char *__restrict, size_t)
+		__attribute__ ((__bounded__(__string__,1,3)));
+int	 strncmp(const char *, const char *, size_t);
+char	*strncpy(char *__restrict, const char *__restrict, size_t)
+		__attribute__ ((__bounded__(__string__,1,3)));
+char	*strpbrk(const char *, const char *);
+char	*strrchr(const char *, int);
+size_t	 strspn(const char *, const char *);
+char	*strstr(const char *, const char *);
+char	*strtok(char *__restrict, const char *__restrict);
+char	*strtok_r(char *__restrict, const char *__restrict, char **__restrict);
+size_t	 strxfrm(char *__restrict, const char *__restrict, size_t)
+		__attribute__ ((__bounded__(__string__,1,3)));
+
+#if __XPG_VISIBLE
+void	*memccpy(void *__restrict, const void *__restrict, int, size_t)
+		__attribute__ ((__bounded__(__buffer__,1,4)));
+#endif
+
+#if __POSIX_VISIBLE >= 200112
+int	 strerror_r(int, char *, size_t)
+	    __attribute__ ((__bounded__(__string__,2,3)));
+#endif
+
+#if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
+char	*strdup(const char *);
+#endif
+
+#if __POSIX_VISIBLE >= 200809
+char	*stpcpy(char *__restrict, const char *__restrict);
+char	*stpncpy(char *__restrict, const char *__restrict, size_t);
+int	 strcoll_l(const char *, const char *, locale_t);
+char	*strerror_l(int, locale_t);
+char	*strndup(const char *, size_t);
+size_t	 strnlen(const char *, size_t);
+char	*strsignal(int);
+size_t	 strxfrm_l(char *__restrict, const char *__restrict, size_t, locale_t)
+		__attribute__ ((__bounded__(__string__,1,3)));
+#endif
+
+#if __BSD_VISIBLE
+void	 explicit_bzero(void *, size_t)
+		__attribute__ ((__bounded__(__buffer__,1,2)));
+void	*memmem(const void *, size_t, const void *, size_t);
+void	*memrchr(const void *, int, size_t);
+char	*strcasestr(const char *, const char *);
+size_t	 strlcat(char *, const char *, size_t)
+		__attribute__ ((__bounded__(__string__,1,3)));
+size_t	 strlcpy(char *, const char *, size_t)
+		__attribute__ ((__bounded__(__string__,1,3)));
+void	 strmode(int, char *);
+char	*strsep(char **, const char *);
+int	 timingsafe_bcmp(const void *, const void *, size_t);
+int	 timingsafe_memcmp(const void *, const void *, size_t);
+#endif 
+__END_DECLS
+
+#endif /* _STRING_H_ */