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  1. #include <string.h>
  2.  
  3. char *str_cat(char *destination, const char *source) {
  4.   size_t dest_len = strlen(destination);
  5.   memcpy(destination + dest_len, source, strlen(source) + 1);
  6.   return destination;
  7. }
  8.  
  9. int main() {
  10.   char str[80];
  11.   strcpy(str, "these ");
  12.   str_cat(str, "strings ");
  13.   str_cat(str, "are ");
  14.   str_cat(str, "concatenated.");
  15.   puts(str);
  16.   return 0;
  17. }
Success #stdin #stdout 0s 2052KB
comments (?)
stdin
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Standard input is empty
stdout
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these strings are concatenated.
https://ideone.com/XFtRPc
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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