foo.cc: In function 'int xry(char*, char*)':
foo.cc:9:2: error: 'l1' was not declared in this scope
  l1=strlen(s1);
  ^~
foo.cc:9:2: note: suggested alternative: 's1'
  l1=strlen(s1);
  ^~
  s1
foo.cc:10:2: error: 'l2' was not declared in this scope
  l2=strlen(s2);
  ^~
foo.cc:10:2: note: suggested alternative: 's2'
  l2=strlen(s2);
  ^~
  s2
foo.cc:17:64: error: 'l' was not declared in this scope
         if((!s2[i-1] || s2[i-1]==32) && s2[i]==s1[0] && (!s2[i+l] || s2[i+l]==32))
                                                                ^
foo.cc:21:17: error: 'l' was not declared in this scope
         if(sum==l){
                 ^
foo.cc:29:24: error: a function-definition is not allowed here before '{' token
 void ReadLine(char s[]){
                        ^
foo.cc:39:1: error: a function-definition is not allowed here before '{' token
 {
 ^
foo.cc:8:14: warning: unused variable 'w' [-Wunused-variable]
  int t,x,sum,w;
              ^
foo.cc:48:1: error: expected '}' at end of input
 }
 ^

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