diff --git a/arch/sim/src/nuttx-names.dat b/arch/sim/src/nuttx-names.dat
index d8748461a7..793fe12401 100644
--- a/arch/sim/src/nuttx-names.dat
+++ b/arch/sim/src/nuttx-names.dat
@@ -2,8 +2,8 @@ __errno        NX__errno
 _exit          NX_exit
 accept         NXaccept
 asprintf       NXasprintf
-bind           NXbind
 basename       NXbasename
+bind           NXbind
 calloc         NXcalloc
 chdir          NXchdir
 clearenv       NXclearenv
@@ -16,28 +16,28 @@ connect        NXconnect
 dup            NXdup
 dup2           NXdup2
 exit           NXexit
-free           NXfree
 fclose         NXfclose
+fcntl          NXfcntl
 fdopen         NXfdopen
 fgetc          NXfgetc
 fopen          NXfopen
 fprintf        NXfprintf
 fputc          NXfputc
-fcntl          NXfcntl
 fputs          NXfputs
 fread          NXfread
+free           NXfree
 fseek          NXfseek
-fwrite         NXfwrite
-fsync          NXfsync
 fstat          NXfstat
+fsync          NXfsync
 ftell          NXftell
 ftruncate      NXftruncate
+fwrite         NXfwrite
+getchar        NXgetchar
 getenv         NXgetenv
 getopt         NXgetopt
 getpid         NXgetpid
 gettimeofday   NXgettimeofday
 htons          NXhtons
-ntohs          NXhntohs
 if_indextoname NXif_indextoname
 if_nametoindex NXif_nametoindex
 ioctl          NXioctl
@@ -52,18 +52,19 @@ malloc_init    NXmalloc_init
 memcmp         NXmemcmp
 memcpy         NXmemcpy
 memset         NXmemset
+mkdir          NXmkdir
 mkfifo         NXmkfifo
 mktime         NXmktime
 mmap           NXmmap
-mq_close       NXmq_close
-mkdir          NXmkdir
 mount          NXmount
+mq_close       NXmq_close
+nanosleep      NXnanosleep
+ntohs          NXhntohs
 open           NXopen
 opendir        NXopendir
 optarg         NXoptarg
 optind         NXoptind
 optopt         NXoptopt
-nanosleep      NXnanosleep
 perror         NXperror
 pipe           NXpipe
 poll           NXpoll
@@ -72,16 +73,16 @@ pthread_create NXpthread_create
 pthread_detach NXpthread_detach
 pthread_exit   NXpthread_exit
 pthread_getspecific NXpthread_getspecific
+pthread_join   NXpthread_join
 pthread_key_create NXpthread_key_create
 pthread_kill   NXpthread_kill
-pthread_join   NXpthread_join
 pthread_mutex_destroy NXpthread_mutex_destroy
 pthread_mutex_init NXpthread_mutex_init
 pthread_mutex_lock NXpthread_mutex_lock
 pthread_mutex_unlock NXpthread_mutex_unlock
-pthread_setspecific NXpthread_setspecific
 pthread_setcancelstate NXpthread_setcancelstate
 pthread_setcanceltype NXpthread_setcanceltype
+pthread_setspecific NXpthread_setspecific
 pthread_sigmask NXpthread_sigmask
 pthread_testcancel NXpthread_testcancel
 pthread_yield  NXpthread_yield
@@ -106,9 +107,9 @@ sem_destroy    NXsem_destroy
 sem_getvalue   NXsem_getvalue
 sem_init       NXsem_init
 sem_post       NXsem_post
-sem_wait       NXsem_wait
 sem_timedwait  NXsem_timedwait
 sem_trywait    NXsem_trywait
+sem_wait       NXsem_wait
 send           NXsend
 sendto         NXsendto
 setenv         NXsetenv
@@ -123,8 +124,8 @@ sigfillset     NXsigfillset
 sighold        NXsighold
 sigismember    NXsigismember
 sigprocmask    NXsigprocmask
-sigtimedwait   NXsigtimedwait
 sigrelse       NXsigrelse
+sigtimedwait   NXsigtimedwait
 sleep          NXsleep
 snprintf       NXsnprintf
 socket         NXsocket
@@ -155,16 +156,16 @@ system         NXsystem
 tcgetattr      NXtcgetattr
 tcsetattr      NXtcsetattr
 umount2        NXumount2
+uname          NXuname
 unlink         NXunlink
 unlockpt       NXunlockpt
-uname          NXuname
 unsetenv       NXunsetenv
 usleep         NXusleep
 vasprintf      NXvasprintf
 vfork          NXvfork
 vfprintf       NXvfprintf
-vsyslog        NXvsyslog
 vsnprintf      NXvsnprintf
-write          NXwrite
+vsyslog        NXvsyslog
 waitpid        NXwaitpid
+write          NXwrite
 zmalloc        NXzmalloc