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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define SIZE1 5
  5. #define SIZE2 10
  6. #define SIZE3 15
  7.  
  8. int main(void){
  9.     char a[SIZE1] = "Hello";
  10.     char b[SIZE2] = " World";
  11.     char res[SIZE3] = {0};
  12.  
  13.     for (int i=0 ; i<SIZE1 ; i++){
  14.         res[i] = a[i];
  15.     }
  16.  
  17.     strcat(res, b);
  18.     printf("The new string is:  %s\n",res);
  19.     return 0;
  20. }
Success #stdin #stdout 0s 2156KB
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stdin
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Standard input is empty
stdout
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The new string is:  Hello World
https://ideone.com/AXClWb
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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