find_global_var
static Var *find_global_var(const char *, const char *, uint32_t);
v = find_global_var(name, ename, k);
v = find_global_var(name, ename, k);
v = find_global_var(name, ename, k);
v = find_global_var(name, ename, k);
Var *v = find_global_var(name, ename, k);