mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-15 11:00:04 +08:00
afe5651795
* libc/include/string.h (bcmp, bcopy, bzero): Change prototypes
to use void * pointers and comply with Single Unix spec.
* libc/string/bcmp.c: Change to use void * instead of char *.
* libc/string/bcopy.c: Ditto.
* libc/string/bzero.c: Ditto.
44 lines
740 B
C
44 lines
740 B
C
/*
|
|
FUNCTION
|
|
<<bzero>>---initialize memory to zero
|
|
|
|
INDEX
|
|
bzero
|
|
|
|
ANSI_SYNOPSIS
|
|
#include <string.h>
|
|
void bzero(void *<[b]>, size_t <[length]>);
|
|
|
|
TRAD_SYNOPSIS
|
|
#include <string.h>
|
|
void bzero(<[b]>, <[length]>)
|
|
void *<[b]>;
|
|
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 <string.h>
|
|
|
|
_VOID
|
|
_DEFUN (bzero, (b, length),
|
|
void *b _AND
|
|
size_t length)
|
|
{
|
|
char *ptr = (char *)b;
|
|
while (length--)
|
|
*ptr++ = 0;
|
|
}
|