print bytes
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#define _CRT_SECURE_NO_WARNINGS
#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void printBytes(void *a, int len) {
for (int i = 0; i < len; ++i)
printf(i == 0 ? "%02x" : ", %02x", ((char *)a)[i]);
putchar('\n');
}
int main(void) {
int a[] = {1, 2, 3, 4, 5};
printf("a .. = "); printBytes(a, sizeof(a));
printf("a + 1 .. a + 5 = "); printBytes((void *)((size_t)a + 1), 4);
char b[] = {0, 0, 0, 2};
printf(" = %#x\n", *(int *)b);
return 0;
}
C
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