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  1. #include <iostream>
  2.  
  3. char *strcat(
  4.    char *strDestination,
  5.    const char *strSource 
  6. ) {
  7.     while(*strDestination) { strDestination++; }
  8.     while(*strDestination++ = *strSource++);
  9.     return strDestination;
  10. }
  11.  
  12. int main() {
  13.     char src[] = "world";
  14.     char dest[500] = "hello";
  15.     strcat(dest, src);
  16.     std::cout << dest;
  17. }
Success #stdin #stdout 0s 2828KB
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stdin
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Standard input is empty
stdout
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helloworld
https://ideone.com/k1f5h
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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