print color info & print indent info

print color:

static const int DEBUG_LEVEL_COLORS[] = {
    /*Errors   Normal       Info         Detail        Calls       Detail2        Detail3 */
    31/*red*/, 0/*normal*/, 32/*green*/, 33/*yellow*/, 36/*cyan*/, 35/*magenta*/, 4/*Underline*/};
printf("\033[%dm", DEBUG_LEVEL_COLORS[0]);

if (use_color)
            printf("\033[0m");

----------------
print indent info:

DEBUG_CALLED("\"%s\"", remote_spec);
-----------
OCTEON_REMOTE:  Called octeon_remote_open("LINUX")
-----------
#define DEBUG_CALLED(format, ...) \
    remote_debug_call(0, "Called %s(" format ")\n", __FUNCTION__, ##__VA_ARGS__);


void debug_call(int is_return, const char *format, ...)
{
    if (3 <= remote_funcs.debug)
    {
        va_list args;
        if (is_return)
            remote_funcs.debug_indent--;
        printf("victor:%*s", (remote_funcs.debug_indent+1)*2, "");
        va_start(args, format);
        vprintf(format, args);
        va_end(args);
        if (!is_return)
            remote_funcs.debug_indent++;
    }
}