bdosptr

bdosptr

DOS系統調用

int bdosptr(int dosfun, void *argument, unsigned dosal);

#include <string.h>

#include <stdio.h>

#include <dir.h>

#include <dos.h>

#include <errno.h>

#include <stdlib.h>

#define BUFLEN 80

int main(void)

{

char buffer[BUFLEN];

int test;

printf("Enter full pathname of a directory\n");

gets(buffer);

test = bdosptr(0x3B,buffer,0);

if(test)

{

printf("DOS error message: %d\n", errno);

/* See errno.h for error listings */

exit (1);

}

getcwd(buffer, BUFLEN);

printf("The current directory is: %s\n", buffer);

return 0;

}