verwrite);
#define gpgrt_unsetenv(n) gpgrt_setenv ((n), NULL, 1)

/* A wrapper around mkdir using a string for the mode.  */
gpg_err_code_t gpgrt_mkdir (const char *name, const char *modestr);

/* A simple wrapper around chdir.  */
gpg_err_code_t gpgrt_chdir (const char *name);

/* Return the current WD as a malloced string.  */
char *gpgrt_getcwd (void);

/* A wrapper around access to handle UTF-8 on Windows.  */
gpg_err_code_t gpgrt_access (const char *fname, int mode);