BZERO(9F)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 con‐
text.
SEE ALSObcopy(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.
Jan 16, 2006 BZERO(9F)