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close

Usage

   #include <io.h>
   int close(int fd);

Description

   Closes file associated with file descriptor handle fd, freeing the file
   descriptor for use by another file. close does not write a Ctrl-Z (EOF)
   character at the end of the file.

Example 

   #include <io.h>
   #include <dos.h>
   #include <stdio.h>
   #include <stdlib.h>

   int main()
   {
   int fd,result;
       fd = open("temp",O_RDONLY);
       if(fd < 0 )
           {
               fprintf(stderr,"Can't open temp\n");
               abort();
           }
       result = close(fd);
       printf("Result code from close is %d\n",result);
       return EXIT_SUCCESS;
   }

Return Value

   close returns 0 if successful, or -1 and errno is set.

See Also

   open, unlink