View Compilation Error

0_0_38347659_21724.c: In function 'main':
0_0_38347659_21724.c:9:2: error: expected ',' or ';' before 'for'
  for( i = 0; a[i] != '\0';++i){
  ^
0_0_38347659_21724.c:9:14: error: 'a' undeclared (first use in this function)
  for( i = 0; a[i] != '\0';++i){
              ^
0_0_38347659_21724.c:9:14: note: each undeclared identifier is reported only once for each function it appears in
0_0_38347659_21724.c:9:30: error: expected ';' before ')' token
  for( i = 0; a[i] != '\0';++i){
                              ^
0_0_38347659_21724.c:9:30: error: expected statement before ')' token
0_0_38347659_21724.c:11:6: error: 'dight' undeclared (first use in this function)
    ++dight;
      ^