Portable Void Pointer Format

#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>

#define VOIDPTRF "(void *)0x%" PRIxPTR

main()
{
	printf("\t" VOIDPTRF "\n", (uintptr_t)main);
	return 0;
}

alexo@euromake:/tmp/voidptrf$ make
cc     voidptrf.c   -o voidptrf
./voidptrf
        (void *)0x80483c4
alexo@euromake:/tmp/voidptrf$