2015-12-23 00:50:04 +00:00

86 lines
2.7 KiB
C

/*
* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
* The President and Fellows of Harvard College.
*
* 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 UNIVERSITY 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 UNIVERSITY 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.
*/
#ifndef _STDLIB_H_
#define _STDLIB_H_
#include <kern/types.h>
#include <types/size_t.h>
#include <sys/null.h>
/*
* Ascii to integer - turn a string holding a number into a number.
*/
int atoi(const char *);
/*
* Standard routine to bail out of a program in a severe error condition.
*/
void abort(void);
/*
* Routine to exit cleanly.
* (This does libc cleanup before calling the _exit system call.)
*/
void exit(int code);
/*
* Get the value of an environment variable. A default environment is
* provided if the kernel doesn't pass environment strings.
*/
char *getenv(const char *var);
/*
* Run a command. Returns its exit status as it comes back from waitpid().
*/
int system(const char *command);
/*
* Pseudo-random number generator.
*/
#define RAND_MAX 0x7fffffff
long random(void);
void srandom(unsigned long seed);
char *initstate(unsigned long, char *, size_t);
char *setstate(char *);
/*
* Memory allocation functions.
*/
void *malloc(size_t size);
void free(void *ptr);
/*
* Sort.
*/
void qsort(void *data, unsigned num, size_t size,
int (*f)(const void *, const void *));
#endif /* _STDLIB_H_ */