Atmel CAVR-4 Manual De Usuario

CAVR-4

Descriptions of implementation-defined behavior

Reference Guide

If the second argument to 

fmod()

 is zero, the function returns 

NaN

; 

errno

 is set to 

EDOM

. 

The signal part of the library is not supported. 

Note: Low-level interface functions exist in the library, but will not perform anything. 
Use the template source code to implement application-specific signal handling. See 
Signal and raise, page 73.

stdout

 stream functions recognize either 

newline

 or 

end

 

of

 

file

 

(EOF)

 as the 

terminating character for a line.

Space characters written to the 

stdout

 stream immediately before a newline character 

are preserved. There is no way to read the line through the 

stdin

 stream that was 

written through the 

stdout

 stream.

No null characters are appended to data written to binary streams.

Whether a write operation on a text stream causes the associated file to be truncated 
beyond that point, depends on the application-specific implementation of the low-level 
file routines. See File input and output, page 70.

The effect of a remove operation on an open file depends on the application-specific 
implementation of the low-level file routines. See File input and output, page 70.

The effect of renaming a file to an already existing filename depends on the 
application-specific implementation of the low-level file routines. See File input and 
output, page 70.