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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <malloc.h>
  4.  
  5. int main(void) {
  6. printf("%ld\n", malloc_usable_size(malloc(151)));
  7. return 0;
  8. }
  9.  
Success #stdin #stdout 0s 2288KB
stdin
Standard input is empty
stdout
156