View Compilation Error

0_0_39599985_30096.cpp: In function 'int main()':
0_0_39599985_30096.cpp:8:3: error: 'getcahr' was not declared in this scope; did you mean 'getchar'?
    8 |   getcahr();
      |   ^~~~~~~
      |   getchar
0_0_39599985_30096.cpp:12:20: error: 'strlens' was not declared in this scope
   12 |          int len = strlens(s);
      |                    ^~~~~~~