Du läser för närvarande dokumentationen för:
ECF_CreateDirectory
The ECF_CreateDirectory function creates a new directory.
ECF_ErrorCode ECF_CreateDirectory(
   const char *path
);
Parameters
path
This is the name of directory to create. E.g. "A:\My new directory" ("A:\\My new directory" as a C string) The maximum total path length including the trailing NUL character is 260 characters.
Return value
Returns one of the ECF error codes (ECFERR_SUCCESS on success)
Remarks
None.