randbwr是一个计算机函数。
randbwr是一个计算机函数。
randbwr
随机块写
int randbwr(struct fcp *fcbptr, int reccnt);
#include
#include
#include
#include
int main(void)
{
char far *save_dta;
char line;
char buffer = "RANDBWR test!";
struct fcb blk;
int result;
printf("Enter a file name to create (no path - ie. a:file.datn");
gets(line);
parsfnm(line,&blk,1);
printf("Drive #%d File: %sn", blk.fcb_drive, blk.fcb_name);
if (bdosptr(0x16, &blk, 0) == -1)
{
perror("Error creating file");
exit(1);
}
save_dta = getdta();
setdta(buffer);
blk.fcb_recsize = 256;
blk.fcb_random = 0L;
result = randbwr(&blk, 1);
if (!result)
printf("Write OKn");
else
{
perror("Disk error");
exit(1);
}
if (bdosptr(0x10, &blk, 0) == -1)
{
perror("Error closing file");
exit(1);
}
setdta(save_dta);
return 0;
}