sys_memset.c

来自「minix操作系统最新版本（3.1.1）的源代码」· C语言 代码 · 共 17 行

#include "syslib.h"

PUBLIC int sys_memset(unsigned long pattern, phys_bytes base, phys_bytes bytes)
{
/* Zero a block of data.  */
  message mess;

  if (bytes == 0L) return(OK);

  mess.MEM_PTR = (char *) base;
  mess.MEM_COUNT   = bytes;
  mess.MEM_PATTERN = pattern;

  return(_taskcall(SYSTASK, SYS_MEMSET, &mess));
}