Borland C++ reference
Borland C++ 3.1 › <io.h>

unlink

raw OCR

Deletes a file.

Defined in header <io.h>

Syntax

#include <io.h>
int unlink(const char *filename);

Portability

DOSUNIXWindowsANSI CC++ only
■■■

Remarks

unlink deletes a file specified by filename. Any DOS drive, path, and file name can be used as a filename. Wildcards are not allowed.

Read-only files cannot be deleted by this call. To remove read-only files, first use chmod or _chmod to change the read-only attribute.

fe^

If your file is open, be sure to close it before unlinking it.

Return value

On successful completion, unlink returns 0. On error, it returns -1 and the global variable errno is set to one of the following values:

ENOENT Path or file name not found EACCES Permission denied

See also

Example

#include <stdio.h>
#include <io.h>
int main (void)
{
   FILE *fp  = fopenC junk, jnk", "w");
   int status;
   fprintf (fp,"junk");
   status = access! "junk.jnk",0) ;
   if  (status == 0)
      printfC'File  exists\n");
   else
      printf("FiIe  doesn't existXn");
   fclose(fp) ;
   unlink("junk. jnk");
status = access ("junk.jnk",0);
if (status ==  0)
   printfC'File  exists\n"),
else
   printfC'File  doesn't exist\n");

return 0;

Differences from modern implementations

Nothing recorded yet.

Modern references

These are search links, not yet checked by hand.

Stable link: /3.1/io.h/unlink/ · short form /3.1/unlink/