text: #pragma once
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  // malloc(sizeof(w2l_emission) + sizeof(float) * n_nrames * n_tokens);
  typedef struct __attribute__((packed)) w2l_emission {
      int32_t n_frames;
      int32_t n_tokens;
      float matrix[0];
  } w2l_emission;
  
  #ifdef __cplusplus
  } // extern "C"
  #endif
  