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   unlink

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

   Description
   unlink deletes the file specified by the string filename.

   Example
   #include <stdio.h>
   #include <io.h>
   #include <stdlib.h>
   main()
   {
   int value;
   char buffer[13];
   char *result;

        printf("Input file to remove: ");
        result = gets(buffer);
        value = unlink(result);

        if(value == 0)
             printf("Erased [%s] from disk\n",result);
        else
             printf("Unable to erase [%s]\n",result);
   }

   Return Value
   Returns  0  if  the file was successfully deleted or -1  if  an  error
   occurred and errno is set.