Zilog EZ80F91AZA Bedienungsanleitung PDF herunterladen (Seite 16)

Zilog File System Overview UM017914-1211

Zilog File System

User Manual

File and Directory Naming Conventions

The following conventions are applicable to the naming of directories, files and volumes

in the Zilog File System:

•

Names must start with an alphabet or with an underscore ( _ )

•

Names must be less than 16 bytes in length

•

Names can contain a combination of alphabets, numbers, periods ( . ) and underscores

( _ )

•

Names must not contain two successive periods

•

Names must not contain any special characters

Examples

The following list presents valid file\directory\volume names.

•

a_b.c

•

a_b.c

•

_b.c

•

__b.c.txt

Conversely, the following list presents file\directory\volume names that are invalid.

•

1a.c

Table 2. Zilog File System – Supported C Run-Time Standard Library APIs

Function Name Description

fopen Opens a file for reading/writing.

fclose Closes an opened file.

fputc Puts a character into the file.

fgetc Returns a character from the file.

fputs Stores a string into the file.

fgets Gets a string from the file.

fread Reads the specified number of bytes from the file.

fwrite Writes the specified number of bytes into the file.

fseek Alters the file pointer position.

ftell Returns the file pointer position.

feof Determines whether it is end of file or not.

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