86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _STDLIB_H_
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#define _STDLIB_H_
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#include <kern/types.h>
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#include <types/size_t.h>
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#include <sys/null.h>
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/*
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* Ascii to integer - turn a string holding a number into a number.
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*/
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int atoi(const char *);
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/*
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* Standard routine to bail out of a program in a severe error condition.
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*/
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void abort(void);
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/*
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* Routine to exit cleanly.
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* (This does libc cleanup before calling the _exit system call.)
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*/
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void exit(int code);
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/*
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* Get the value of an environment variable. A default environment is
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* provided if the kernel doesn't pass environment strings.
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*/
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char *getenv(const char *var);
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/*
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* Run a command. Returns its exit status as it comes back from waitpid().
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*/
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int system(const char *command);
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/*
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* Pseudo-random number generator.
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*/
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#define RAND_MAX 0x7fffffff
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long random(void);
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void srandom(unsigned long seed);
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char *initstate(unsigned long, char *, size_t);
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char *setstate(char *);
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/*
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* Memory allocation functions.
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*/
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void *malloc(size_t size);
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void free(void *ptr);
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/*
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* Sort.
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*/
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void qsort(void *data, unsigned num, size_t size,
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int (*f)(const void *, const void *));
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#endif /* _STDLIB_H_ */
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