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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. char input[20];
  5. memset(input, '\0', 20);
  6. scanf("%s", input);
  7. if (0 == strcmp(input, "test01")) {
  8. goto TEST_JUMP;
  9. }
  10. strcat(input, "a");
  11. strcat(input, "b");
  12. strcat(input, "c");
  13. TEST_JUMP:
  14. printf("%s\n", input);
  15. return 0;
  16. }
  17.  
Success #stdin #stdout 0s 9424KB
stdin
test02
stdout
test02abc