...
Pointer to variable that will receive the return error code from this function:
FS_ERR_NONE
File buffer flushed successfully.
FS_ERR_NULL_PTR
Argument p_file passed a NULL pointer.
FS_ERR_INVALID_TYPE
Argument p_file's type is invalid or unknown.
FS_ERR_FILE_NOT_OPEN
File not open.
Returned Value
...