Function json_lit

ds4_server.c:175–180

static void buf_free(buf *b) {
    free(b->ptr);
    memset(b, 0, sizeof(*b));
}

static void json_ws(const char **p) {
    while (**p && isspace((unsigned char)**p)) (*p)++;
}

static bool json_lit(const char **p, const char *lit) {
    size_t n = strlen(lit);