1 . 絕對(duì)寫
DOS的INT25(絕對(duì)讀)、INT26(絕對(duì)寫)等功能調(diào)用實(shí)現(xiàn)對(duì)磁盤邏輯扇區(qū)或物理扇區(qū)的讀寫是很方便的,C語言中還有對(duì)應(yīng)上述功能調(diào)用的函數(shù):biosdisk、absread和abswrite等.
2 . 絕對(duì)扇區(qū)寫
abs返回絕對(duì)值absread絕對(duì)扇區(qū)讀abswrite絕對(duì)扇區(qū)寫access文件存取函數(shù)acos,acosl計(jì)算反余弦alloca分配堆棧空間…… 查看所有評(píng)論>> 商品評(píng)論(0) 0星很喜歡 0.
函數(shù)名: absread, abswirte 功 能: 絕對(duì)磁盤扇區(qū)讀、寫數(shù)據(jù) 用 法: int absread(int drive, int nsects, int sectno, void *buffer); int abswrite(int drive, int nsects, in tsectno, void *buffer); 程序例: /* absread example */ #include <stdio.h> #include <conio.h> #include <process.h> #include <dos.h> int main(void) { int i, strt, ch_out, sector; char buf[512]; printf("Inse