542:/lib/skill_raise.c (/lib/skill_raise.c)
(void) sk_hook_raise_rank(int snum, int to_lev, int cost)
/*
 * Function name: sk_hook_raise_rank
 * Description  : The player trains and pays, write something.
 * Arguments    : int snum  - the number of the skill trained.
 *                int to_lev - the level reached.
 *                int cost - the price paid, in coppers.
 */
