C语言库函数absread abswirte函数名: absread, abswirte功 能：绝对磁盘扇区读、写数据函数与形参类型: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 #include #include #include int main(void){int i, strt, ch_out, sector;char buf; 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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