text: #ifndef _SYS_TYPES_H_
  #define _SYS_TYPES_H_
  
  // NOTE: This is implementation defined
  // Using x86_64 MacOS Darwin 18.0.0
  
  #include <stdint.h>
  
  typedef int64_t               blkcnt_t;
  typedef int32_t               blksize_t;
  typedef unsigned long         clock_t;
  typedef int                   clockid_t;
  typedef int32_t               dev_t;
  typedef unsigned int          fsblkcnt_t;
  typedef unsigned int          fsfilcnt_t;
  typedef uint32_t              gid_t;
  typedef uint32_t              id_t;
  typedef uint64_t              ino_t;
  typedef int32_t               key_t;
  typedef uint16_t              mode_t;
  typedef int64_t               off_t;
  typedef uint16_t              nlink_t; 
  typedef int32_t               pid_t;
  typedef uint32_t              sigset_t;
  typedef uint32_t              uid_t;
  typedef uint32_t              useconds_t;
  typedef unsigned char         uuid_t[16];
  typedef char                  uuid_string_t[37];
  #define pthread_attr_t        __cerbty_pthread_attr_t
  #define pthread_barrier_t     __cerbty_pthread_barrier_t
  #define pthread_barrierattr_t __cerbty_pthread_barrierattr_t
  #define pthread_cond_t        __cerbty_pthread_cond_t
  #define pthread_condattr_t    __cerbty_pthread_condattr_t
  #define pthread_key_t         __cerbty_pthread_key_t
  #define pthread_mutex_t       __cerbty_pthread_mutex_t
  #define pthread_mutexattr_t   __cerbty_pthread_mutexattr_t
  #define pthread_once_t        __cerbty_pthread_once_t
  #define pthread_rwlock_t      __cerbty_pthread_rwlock_t
  #define pthread_rwlockattr_t  __cerbty_pthread_rwlockattr_t
  #define pthread_spinlock_t    __cerbty_pthread_spinlock_t
  #define pthread_t             __cerbty_pthread_t
  typedef __cerbty_size_t       size_t;
  typedef long                  ssize_t;
  typedef int32_t               suseconds_t;
  typedef long                  time_t;
  #define timer_t               __cerbty_timer_t
  #define trace_attr_t          __cerbty_trace_attr_t
  #define trace_event_id_t      __cerbty_trace_event_id_t
  #define trace_event_set_t     __cerbty_trace_event_set_t
  #define trace_id_t            __cerbty_trace_id_t
  
  #endif
  