newlib-cygwin/newlib/libc/string/bzero.c

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/*
FUNCTION
<<bzero>>---initialize memory to zero
INDEX
bzero
ANSI_SYNOPSIS
#include <strings.h>
void bzero(void *<[b]>, size_t <[length]>);
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TRAD_SYNOPSIS
#include <strings.h>
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void bzero(<[b]>, <[length]>)
void *<[b]>;
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size_t <[length]>;
DESCRIPTION
<<bzero>> initializes <[length]> bytes of memory, starting at address
<[b]>, to zero.
RETURNS
<<bzero>> does not return a result.
PORTABILITY
<<bzero>> is in the Berkeley Software Distribution.
Neither ANSI C nor the System V Interface Definition (Issue 2) require
<<bzero>>.
<<bzero>> requires no supporting OS subroutines.
*/
#include <strings.h>
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_VOID
_DEFUN (bzero, (b, length),
void *b _AND
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size_t length)
{
char *ptr = (char *)b;
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while (length--)
*ptr++ = 0;
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}