Define a key in a keymap
int SLkm_define_key (char *seq, FVOID_STAR f, SLKeyMap_List_Type *km)
SLkm_define_key associates the key sequence seq with the
function pointer f in the keymap specified by km. Upon
success, it returns zero, otherwise it returns a negative integer
upon error.
SLkm_define_keysym, SLang_define_key