#include <ccan/json/json.c>
#include <ccan/tap/tap.h>
#include <errno.h>
#include <string.h>
static char *chomp(char *s)
{
char *e;
if (s == NULL || *s == 0)
return s;
e = strchr(s, 0);
if (e[-1] == '\n')
*--e = 0;
}