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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. void helper(char **a, const char *b){
  6.     *a = malloc(strlen(b)+1);
  7.     strcpy(*a, b);
  8.     printf("%s %s\n", *a, b);
  9. }
  10.  
  11. int main(void){
  12.     const char *b = "hello";
  13.     char *a;
  14.     helper(&a, b);
  15.     printf("%s\n", a);
  16.     free(a);
  17. }
Success #stdin #stdout 0s 2300KB
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stdin
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Standard input is empty
stdout
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hello hello
hello
https://ideone.com/THwkwD
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

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