BZERO(9F) Kernel Functions for Drivers BZERO(9F)

NAME


bzero - clear memory for a given number of bytes

SYNOPSIS


#include <sys/types.h>
#include <sys/ddi.h>


void bzero(void *addr, size_t bytes);


INTERFACE LEVEL


Architecture independent level 1 (DDI/DKI).

PARAMETERS


addr
Starting virtual address of memory to be cleared.


bytes
The number of bytes to clear starting at addr.


DESCRIPTION


The bzero() function clears a contiguous portion of memory by filling it
with zeros.

CONTEXT


The bzero() function can be called from user, interrupt, or kernel
context.

SEE ALSO


bcopy(9F), clrbuf(9F), kmem_zalloc(9F)


Writing Device Drivers

WARNINGS


The address range specified must be within the kernel space. No range
checking is done. If an address outside of the kernel space is selected,
the driver may corrupt the system in an unpredictable way.

illumos January 16, 2006 BZERO(9F)