Home : C Language : Variables : Arrays
Array declarations are of the form:
[attributes]
type
name
[
size];
Each element (of type type) within the array is accessed using
name[
index]
, where index is in the range 0 to size - 1 inclusive.
Multi-dimensional arrays may be declared:
[attributes]
type
name
[
sizeA][
sizeB][
sizeC];
Each element within the array is accessed using name[
indexA][
indexB][
indexC]
.
Initial values may be specified:
[attributes]
type
name
[
size] = {
constant,
constant,
constant};
[attributes]char
name[
size] = "
string";
Initialised arrays may have their size determined by the number of values listed:
[attributes]
type
name
[] = {
constant,
constant,
constant};
[attributes]char
name[] = "
string";
name refers to the base address of an entire array (i.e. this is
exactly equivalent to &
name[0]
). Note that this means only the base address of any array can be passed
to a function, the value of the array itself cannot be passed.
Arrays and structures may be nested to several levels.