suibyte(9r)suibyte(9r)NAME
suibyte - General: Writes a byte into user instruction address space
NOTES
The suibyte routine is for use on machines that have separate address spaces for code and data. Because the Alpha architecture does not
have separate address spaces for code and data, suibyte is mapped to subyte. The suibyte routine is provided for compatibility reasons.
See the routine description for subyte for a complete description of suibyte.
suibyte(9r)
Check Out this Related Man Page
STORE(9) BSD Kernel Developer's Manual STORE(9)NAME
store, subyte, suibyte, suiword, sulong, suulong, suword -- store data to user-space
SYNOPSIS
#include <sys/types.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/resourcevar.h>
int
subyte(user_addr_t addr, int byte);
int
suibyte(user_addr_t addr, int byte);
int
suiword(user_addr_t addr, int word);
int
sulong(user_addr_t addr, int64_t longword);
int
suulong(user_addr_t addr, uint64_t longword);
int
suword(user_addr_t addr, int word);
DESCRIPTION
The store functions are designed to copy small amounts of data to user-space.
The store routines provide the following functionality:
subyte() Stores a byte of data to the user-space address addr.
suibyte() Stores a byte of data to the user-space address addr. This function is safe to call during an interrupt context.
suiword() Stores a word of data to the user-space address addr. This function is safe to call during an interrupt context.
sulong() Stores a long word of data to the user-space address addr.
suulong() Stores a unsigned long word of data to the user-space address addr.
suword() Stores a word of data to the user-space address addr.
RETURN VALUES
The store functions return 0 on success or -1 on failure.
SEE ALSO copy(9), fetch(9)BSD December 16, 2004 BSD
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