41 static void sign_undefine(sign_T *sp, sign_T *sp_prev);
881 sign_find(char_u *name, sign_T **sp_prev)  in sign_find()  argument
885     if (sp_prev != NULL)  in sign_find()
886 	*sp_prev = NULL;  in sign_find()
891 	if (sp_prev != NULL)  in sign_find()
892 	    *sp_prev = sp;  in sign_find()
1040     sign_T	*sp_prev;  in sign_define_by_name()  local
1043     sp = sign_find(name, &sp_prev);  in sign_define_by_name()
1051 	if (sp_prev == NULL)  in sign_define_by_name()
1054 	    sp_prev->sn_next = sp;  in sign_define_by_name()
1098     sign_T	*sp_prev;  in sign_undefine_by_name()  local
1101     sp = sign_find(name, &sp_prev);  in sign_undefine_by_name()
1108     sign_undefine(sp, sp_prev);  in sign_undefine_by_name()
1892 sign_undefine(sign_T *sp, sign_T *sp_prev)  in sign_undefine()  argument
1904     if (sp_prev == NULL)  in sign_undefine()
1907 	sp_prev->sn_next = sp->sn_next;  in sign_undefine()