Difference between _Bool and integers.

sample.c

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

void
hoge(uint8_t b)
{
  /* b == 0 */
  if (b) printf("hoge");
}

void
fuga(_Bool b)
{
  /* b == 1 */
  if (b) printf("fuga");
}

int
main(void)
{
  const int a = 234882310;

  hoge(a & 256);
  fuga(a & 256);
}