mfsGetRomFileNum
mfsGetRamFileNum
Format: s32 mfsRamGetFileNum(MfsDirID dirID,u16 attr)
s32 mfsRomGetFileNum(MfsDirID dirID,u16 attr)
Arguments: dirID Directory ID of directory
attr File or directory specification (logical OR can be taken)
MFS_FILE_ATTR_FILE File
MFS_FILE_ATTR_DIRECTORY Directory
Return value:Number of files (a negative value is an error)
Function: Obtains the number of files belonging to the specified directory
Description: his function obtains the number of files or directory files in the directory specified by dirID.
When MFS_ALL_FILES is specified for dirID, this function returns the total number of files or directories in the RAM or ROM area.
Main errors:
MFS_ERR_NOTMFSDISK Not an MFS-format disk
The disk ID's disk use is not 1, or the header is different.
MFS_ERR_VERSION Different version disk
MFS_ERR_PROTECT Write protected
The medium is volume protected.