# PR_MkDir Creates a directory with a specified name and access mode. ## Syntax ```{code} #include PRStatus PR_MkDir( const char *name, PRIntn mode); ``` ### Parameters The function has the following parameters: `name` : The name of the directory to be created. All the path components up to but not including the leaf component must already exist. `mode` : The access permission bits of the file mode of the new directory if the file is created when `PR_CREATE_FILE` is on. Caveat: The mode parameter is currently applicable only on Unix platforms. It may be applicable to other platforms in the future. Possible values include the following: > - `0x00400`. Read by owner. > - `0x00200`. Write by owner. > - `0x00100`. Search by owner. > - `0x00040`. Read by group. > - `0x00020`. Write by group. > - `0x00010`. Search by group. > - `0x00004`. Read by others. > - `0x00002`. Write by others. > - `0x00001`. Search by others. ### Returns - If successful, `PR_SUCCESS`. - If unsuccessful, `PR_FAILURE`. The actual reason can be retrieved via {ref}`PR_GetError`. ## Description {ref}`PR_MkDir` creates a new directory with the pathname `name`. All the path components up to but not including the leaf component must already exist. For example, if the pathname of the directory to be created is `a/b/c/d`, the directory `a/b/c` must already exist. ## See Also {ref}`PR_RmDir`