gctf2023/pwn/flipper/dist/userspace/libc/include/stdlib.h

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2023-11-24 18:11:34 +00:00
// Projectname: SWEB
// Simple operating system for educational purposes
//
// Copyright (C) 2005 Andreas Niederl
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#pragma once
#include "types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* exit value constants
*
*/
#define EXIT_FAILURE -1
#define EXIT_SUCCESS 0
/**
* NULL pointer constant
*
*/
#define NULL 0
/**
* parses the given string and returns its value as integer
* @param string the string for parsing
* @return the parsed value
*
*/
extern int atoi(const char *string);
/**
* parses the given string and returns its value as long
* @param string the string for parsing
* @return the parsed value
*
*/
extern long atol(const char *string);
/**
* Terminates the program normally, functions registered by atexit() are called
* in reverse order of their registration, any open file descriptors belonging
* to the process are closed, any children of the process are inherited by
* process 1 (init) and the process's parent is sent a SIGCHLD signal.
* The status value is returned to the parent as exit status and can be
* collected using a wait call.
* @param status the exit status of the calling process, 0 or EXIT_SUCCESS for
* successfull termination, EXIT_FAILURE for unsuccessful termination
*
*/
extern void exit(int status);
/**
* register a function to be called at normal process termination
* @param function the function to be called
* @return 0 if successful, other-wise non-zero
*/
extern int atexit(void (*function)(void));
extern void *malloc(size_t size);
extern void *calloc(size_t nmemb, size_t size);
extern void *realloc(void *ptr, size_t size);
extern void free(void *ptr);
#ifdef __cplusplus
}
#endif