* \sa getcwd(3).
*
*/
-int para_opendir(const char *dirname, DIR **dir, int *cwd)
+static int para_opendir(const char *dirname, DIR **dir, int *cwd)
{
int ret;
*
* \return Standard.
*/
-int para_fchdir(int fd)
+static int para_fchdir(int fd)
{
if (fchdir(fd) < 0)
return -ERRNO_TO_PARA_ERROR(errno);
int para_munmap(void *start, size_t length)
{
int err;
+
+ if (!start)
+ return 0;
if (munmap(start, length) >= 0)
return 1;
err = errno;