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https://baike.baidu.hk/item/intdosx/6392338
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intdosx

鎖定
函數名: intdosx
用 法: int intdosx(union REGS *inregs, union REGS *outregs,struct SREGS *segregs)
中文名
intdosx
功 能
通用DOS中斷接口
類    型
函數名
用 法
int intdosx(union REGS

目錄

  1. 1 定義
  2. 2 示例

intdosx定義

函數名: intdosx
用 法: int intdosx(union REGS *inregs, union REGS *outregs,struct SREGS *segregs);

intdosx示例

#include
#include
/* deletes file name; returns 0 on success, nonzero on failure */
int delete_file(char far *filename)
{
union REGS regs; struct SREGS sregs;
int ret;
regs.h.ah = 0x41; /* delete file */
regs.x.dx = FP_OFF(filename);
sregs.ds = FP_SEG(filename);
ret = intdosx( ®s, ®s, &sregs);
/* if carry flag is set, there was an error */
return(regs.x.cflag ? ret : 0);
}
int main(void)
{
int err;
err = delete_file("NOTEXIST.$$$");
if (!err)
printf("Able to delete NOTEXIST.$$$\n");
else
printf("Not Able to delete NOTEXIST.$$$\n");
return 0;
}