rem: int string_to_priority(const unsigned char *s, unsigned int *p)
add: int string_to_priority(const char *s, unsigned int *p)
context: int string_to_priority(const unsigned char *s, unsigned int *p){	unsigned int i, j;	if (sscanf(s, "%x:%x", &i, &j) != 2)		return 1;		*p = TC_H_MAKE(i<<16, j);	return 0;}