#define OPT_VIDEO 0x0010
#define OPT_AUDIO 0x0020
#define OPT_GRAB 0x0040
+#define OPT_INT 0x0080
+#define OPT_FLOAT 0x0100
union {
void (*func_arg)(const char *);
int *int_arg;
char **str_arg;
+ float *float_arg;
} u;
const char *help;
const char *argname;