mystring.h

操作系统源代码

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Kenneth Almquist.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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.
 *
 *	@(#)mystring.h	5.1 (Berkeley) 3/7/91
 */

#ifndef SYSV
#define strchr mystrchr
#endif

#ifdef __STDC__
void scopyn(const char *, char *, int);
char *strchr(const char *, int);
void mybcopy(const pointer, pointer, int);
int prefix(const char *, const char *);
int number(const char *);
int is_number(const char *);
int strcmp(const char *, const char *);	/* from C library */
char *strcpy(char *, const char *);	/* from C library */
int strlen(const char *);		/* from C library */
char *strcat(char *, const char *);	/* from C library */
#else
void scopyn();
char *strchr();
void mybcopy();
int prefix();
int number();
int is_number();
int strcmp();
char *strcpy();
int strlen();
char *strcat();
#endif

#define equal(s1, s2)	(strcmp(s1, s2) == 0)
#define scopy(s1, s2)	((void)strcpy(s2, s1))
#define bcopy(src, dst, n)	mybcopy((pointer)(src), (pointer)(dst), n)