Converts a numeric value to a 64 bit IEEE floating point number.

Retrieves or modifies file attributes.

Closes an open binary file.

Determines the number of fields in the DBF file open in a work area.

Creates a new file or sets the length of an existing file to zero.

Deletes a file.

Retrieves the error code after completion of a low level file function.

Determines whether the specified file exists.

Creates a set/get code block for a database field.

Determines the value of a field in the current record of a work

Sets or returns the settings for a field.

Return a field name from a work area.

Returns the position of a field in a work area.

Copies a value into a field of the current record in a work area.

Creates a set/get code block for a field in a specific work area.

Determines whether the specified file exists.

Determines the identifier for a function key.

Retrieves the number of function keys.

Locks a database file opened as SHARED for write access.

Opens a file at the operating system level.

Determines whether the last search operation was successful.

Reads a character string from a file into a memory variable.

Reads a character string from a file stopping at an occurrence of

Changes the name of a file.

Decodes a base64 encoded string.

Decodes a "quoted-printable" encoded string.

Positions the file pointer within a file.

Determines and optionally sets the size of a file.

Writes a character string into an open file.