error Critical Magic

[Eyhra]

skill.c: In function 'skill_attack':

skill.c:3412: error: 'skillid' undeclared (first use in this function)

skill.c:3412: error: (Each undeclared identifier is reported only once

skill.c:3412: error: for each function it appears in.)

skill.c:3412: error: 'skilllv' undeclared (first use in this function)

skill.c:3417: error: 'struct mob_data' has no member named 'tmpd'

skill.c:3429: warning: passing argument 2 of 'status_change_start' makes pointer from integer without a cast

status.h:2165: note: expected 'struct block_list *' but argument is of type 'int'

skill.c:3429: error: too few arguments to function 'status_change_start'

skill.c:3430: warning: passing argument 2 of 'status_change_start' makes pointer from integer without a cast

status.h:2165: note: expected 'struct block_list *' but argument is of type 'int'

skill.c:3430: error: too few arguments to function 'status_change_start'

skill.c: In function 'skill_castend_nodamage_id':

skill.c:6829: warning: suggest explicit braces to avoid ambiguous 'else'

skill.c: In function 'skill_castfix':

skill.c:16327: warning: format '%d' expects type 'int', but argument 3 has type 'double'

skill.c: In function 'skill_mcri_hit':

skill.c:21206: error: 'struct mob_data' has no member named 'tmpd'

make[1]: *** [obj/skill.o] Error 1

 

PLZ HElP 

the line error is 

   int i=0,num=abs(skill_get_num(skillid,skilllv)),_damage=0;

 

Critical_hit_on_Magic_2.patch

[daanizin999]

try skill_id