char ch1[21]; 선언하고

gets(ch1[i]); for문 안에 이렇게 써넣었는데 아래같은 오류가 뜹니다...도와주십쇼 형들



taja2.c: In function ‘main’:
taja2.c:31:2: warning: passing argument 1 of ‘gets’ makes pointer from integer without a cast [enabled by default]
  gets(ch1[i]);
  ^
In file included from /usr/include/stdio.h:29:0,
                 from taja2.c:1:
/usr/include/stdio.h:195:9: note: expected ‘char *’ but argument is of type ‘char’
 char *  _EXFUN(gets, (char *));
         ^