prog.c: In function '_function':
prog.c:13:13: error: request for member 'a' in something not a structure or union
**param -> a = 6; //request for member 'a' in something not a structure or union
^
prog.c:14:12: error: request for member 'a' in something not a structure or union
*param -> a = 6; //request for member 'a' in something not a structure or union
^
prog.c:15:11: error: request for member 'a' in something not a structure or union
param -> a = 6; //request for member 'a' in something not a structure or union
^