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STDLIB(3)		 BSD Library Functions Manual		     STDLIB(3)

NAME
     stdlib — standard library definitions

SYNOPSIS
     #include <stdlib.h>

DESCRIPTION
     The <stdlib.h> header defines the following types and macros:

	 1.   NULL - an implementation-defined null pointer constant;

	 2.   size_t and wchar_t - integer types described in stddef(3);

	 3.   div_t, ldiv_t, and lldiv_t - structures that are returned by the
	      div(3), ldiv(3), and lldiv(3) functions, respectively;

	 4.   RAND_MAX - a macro which expands to an integer constant that is
	      the maximum value returned by the rand(3) function;

	 5.   MB_CUR_MAX - an integer expression of type size_t whose value is
	      the maximum number of bytes in a character specified by the cur‐
	      rent locale; and

	 6.   EXIT_SUCCESS and EXIT_FAILURE - macros which expand to integer
	      constants suitable for use as an argument to the exit(3) func‐
	      tion.

     The <stdlib.h> header also prototypes several important functions such as
     abort(3), atoi(3), bsearch(3), free(3), malloc(3), and strtol(3).

SEE ALSO
     stddef(3), types(3), unistd(3)

STANDARDS
     As described here, the <stdlib.h> header conforms to ISO/IEC 9899:1999
     (“ISO C99”) and IEEE Std 1003.1-2001 (“POSIX.1”).

HISTORY
     In the current form the <stdlib.h> header was introduced in NetBSD 0.8.

BSD				April 10, 2011				   BSD

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