| 词条 | absread, abswirte |
| 释义 | § 解释 函数名: absread, abswirte 功 能: 绝对磁盘扇区读、写数据用 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("Insert a diskette into drive A and press any key\"); getch(); sector = 0; if (absread(0, 1, sector, &buf) != 0) { perror("Disk problem"); exit(1); } printf("Read OK\"); strt = 3; for (i=0; i<80; i++) { ch_out = buf【strt+i】; putchar(ch_out); } printf("\"); return(0); } |
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