root/user/include/stdlib.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
   3  *      The President and Fellows of Harvard College.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #ifndef _STDLIB_H_
  31 #define _STDLIB_H_
  33 #include <kern/types.h>
  34 #include <types/size_t.h>
  35 #include <sys/null.h>
  37 /*
  38  * Ascii to integer - turn a string holding a number into a number.
  39  */
  40 int atoi(const char *);
  42 /*
  43  * Standard routine to bail out of a program in a severe error condition.
  44  */
  45 void abort(void);
  47 /*
  48  * Routine to exit cleanly.
  49  * (This does libc cleanup before calling the _exit system call.)
  50  */
  51 void exit(int code);
  53 /*
  54  * Run a command. Returns its exit status as it comes back from waitpid().
  55  */
  56 int system(const char *command);
  58 /*
  59  * Pseudo-random number generator.
  60  */
  61 #define RAND_MAX  0x7fffffff
  62 long random(void);
  63 void srandom(unsigned long seed);
  64 char *initstate(unsigned long, char *, size_t);
  65 char *setstate(char *);
  67 /*
  68  * Memory allocation functions.
  69  */
  70 void *malloc(size_t size);
  71 void free(void *ptr);
  73 #endif /* _STDLIB_H_ */