Atmel CAVR-4 Manual De Usuario
CAVR-4
Part 1. Using the compiler
The DLIB runtime environment
83
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stdlib.h
STDINT.H
This include file provides integer characteristics.
STDBOOL.H
This include file makes the
bool
type available if the Allow IAR extensions (
-e
) option
is used.
MATH.H
In
math.h
all functions exist in a
float
variant and a
long double
variant, suffixed
by
f
and
l
respectively. For example,
sinf
and
sinl
.
STDIO.H
In
stdio.h
, the following functions have been added from the C99 standard:
The following functions have been added to provide I/O functionality for libraries built
without
without
FILE
support:
STDLIB.H
In
stdlib.h
, the following functions have been added:
vscanf,
vfscanf,
vsscanf,
vsnprintf
Variants that have a
va_list
as argument.
snprintf
Same as
sprintf
, but writes to a size limited array.
_ _write_array
Corresponds to
fwrite
on
stdout
.
_ _ungetchar
Corresponds to
ungetc
on
stdout
.
_ _gets
Corresponds to
fgets
on
stdin
.
_exit
Exits without closing files et cetera.
_ _qsortbbl
A
qsort
function that uses the bubble sort algorithm. Useful
for applications that have limited stack.