Gcc/10.2.0/gcc/Pointers-to-Arrays
From Get docs
Next: Initializers, Previous: Variadic Pointer Args, Up: C Extensions [Contents][Index]
6.26 Pointers to Arrays with Qualifiers Work as Expected
In GNU C, pointers to arrays with qualifiers work similar to pointers
to other qualified types. For example, a value of type int (*)[5]
can be used to initialize a variable of type const int (*)[5]
.
These types are incompatible in ISO C because the const
qualifier
is formally attached to the element type of the array and not the
array itself.
extern void transpose (int N, int M, double out[M][N], const double in[N][M]); double x[3][2]; double y[2][3]; … transpose(3, 2, y, x);