int pthread_key_delete(pthread_key_t __key)

{

  char cVar1;

  int *piVar2;

  int iVar3;

  int *piVar4;

  pthread_mutex_lock((pthread_mutex_t *)&DAT_00033a20);

  iVar3 = __pthread_manager_request;

  if ((__key < 0x400) && ((&DAT_00031a20)[__key * 2] != 0)) {

    (&DAT_00031a24)[__key * 2] = 0;

    (&DAT_00031a20)[__key * 2] = 0;

    if (iVar3 != -1) {

      piVar2 = (int *)FUN_00018f80();

      cVar1 = (char)piVar2[0xb]   //possible issue identified - semgrep

      piVar4 = piVar2;

      while( true ) {

        if ((cVar1 == '\0') && (piVar4[(__key >> 5) + 0x3b] != 0)) {

          *(undefined4 *)(piVar4[(__key >> 5) + 0x3b] + (__key & 0x1f) * 4) = 0;

        }

        piVar4 = (int *)*piVar4;

        if (piVar4 == piVar2) break;

        cVar1 = *(char *)(piVar4 + 0xb)   //possible issue identified - semgrep

      }

    }

    pthread_mutex_unlock((pthread_mutex_t *)&DAT_00033a20);

    iVar3 = 0;

  }

  else {

    pthread_mutex_unlock((pthread_mutex_t *)&DAT_00033a20);

    iVar3 = 0x16;

  }

  return iVar3;

}