char mysent[500]선언하고 getch쓰는데 오류나고

if부분에서도 아래같은 에러뜨는데 이유점여..13은 아스키값으로 ENTER를 쓰려고그러는거에요..


error: incompatible types when assigning to type ‘char[500]’ from type ‘int’
   mysent = getch();
          ^
taja4.c:56:12: warning: comparison between pointer and integer [enabled by default]
   if(mysent==13)  //ENTER를 입력하면 종료
            ^
taja4.c:66:18: warning: comparison between pointer and integer [enabled by default]
   else if(mysent != 13)