bzero.s
来自「操作系统源代码」· S 代码 · 共 22 行
S
22 行
! bzero() Author: Kees J. Bot! 27 Jan 1994.sect .text; .sect .rom; .sect .data; .sect .bss! void bzero(void *s, size_t n)! Set a chunk of memory to zero.! This is a BSD routine that escaped from the kernel. Don't use.!.sect .text.define _bzero_bzero: push bp mov bp, sp push 6(bp) ! Size xor ax, ax push ax ! Zero push 4(bp) ! String call _memset ! Call the proper routine mov sp, bp pop bp ret
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