NAME

bzero − clear memory for a given number of bytes

SYNOPSIS

#include <sys/types.h>
#include <sys/ddi.h>
void bzero(caddr_t addr, size_t bytes);

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI). 

ARGUMENTS

addr Starting virtual address of memory to be cleared. 

bytes The number of bytes to clear starting at addr.

DESCRIPTION

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

CONTEXT

bzero() can be called from user or interrupt 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. 

SunOS 5.5/SPARC  —  Last change: 27 Jan 1993