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Add definitions to stdlib.h; update README

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4071 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-10-30 17:28:54 +00:00
parent cf2ec7d4f6
commit ee27333dc5
1 changed files with 16 additions and 2 deletions
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18
include/stdlib.h
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@ -1,7 +1,7 @@
/****************************************************************************
* include/stdlib.h
*
* Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -51,12 +51,26 @@
/* The C standard specifies two constants, EXIT_SUCCESS and
* EXIT_FAILURE, that may be passed to exit() to indicate
* successfuol or unsucessful termination, respectively.
* successful or unsucessful termination, respectively.
*/
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
/* The NULL pointer should be defined in this file but is currently defined
* in sys/types.h.
*/
/* Maximum value returned by rand() */
#define MAX_RAND 32767
/* Integer expression whose value is the maximum number of bytes in a
* character specified by the current locale.
*/
#define MB_CUR_MAX 1
/* The environ variable, normally 'extern char **environ;' is
* not implemented as a function call. However, get_environ_ptr()
* can be used in its place.