1730 nfsd     RET   read 21101/0x526d
  1730 nfsd     CALL  close(0x7)
  1730 nfsd     RET   close 0
  1730 nfsd     CALL  open(0x80024fc20,0<O_RDONLY>)
  1730 nfsd     NAMI  "/etc/netconfig"
  1730 nfsd     RET   open 7
  1730 nfsd     CALL  fstat(0x7,0x7fffffffe2f0)
  1730 nfsd     STRU  struct stat {dev=360, ino=233866047, mode=0100644, nlink=1, uid=0, gid=0, rdev=467067498, atime=1557082223.289475000, mtime=1544155889, ctime=1551705493.099341000, birthtime=1544155889, size=798, blksize=32768, blocks=8, flags=0x0 }
  1730 nfsd     RET   fstat 0
  1730 nfsd     CALL  read(0x7,0x800649440,0x8000)
  1730 nfsd     GIO   fd 7 read 798 bytes
       "# $FreeBSD: releng/12.0/lib/libc/rpc/netconfig 338732 2018-09-17 19:20:50Z brd $
 #
 # The network configuration file. This file is currently only used in
 # conjunction with the (TI-) RPC code in the C library, unlike its
 # use in SVR4.
 #
 # Entries consist of:
 #
 #       <network_id> <semantics> <flags> <protofamily> <protoname> \\
 #               <device> <nametoaddr_libs>
 #
 # The <device> and <nametoaddr_libs> fields are always empty in FreeBSD.
 #
 udp6       tpi_clts      v     inet6    udp     -       -
 tcp6       tpi_cots_ord  v     inet6    tcp     -       -
 udp        tpi_clts      v     inet     udp     -       -
 tcp        tpi_cots_ord  v     inet     tcp     -       -
 rawip      tpi_raw       -     inet      -      -       -
 local      tpi_cots_ord  -     loopback  -      -       -
       "
  1730 nfsd     RET   read 798/0x31e
  1730 nfsd     CALL  close(0x7)
  1730 nfsd     RET   close 0
  1730 nfsd     CALL  mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,0xffffffff,0)
  1730 nfsd     RET   mmap 34366554112/0x800680000
  1730 nfsd     CALL  mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,0xffffffff,0)
  1730 nfsd     RET   mmap 34366558208/0x800681000
  1730 nfsd     CALL  mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,0xffffffff,0)
  1730 nfsd     RET   mmap 34366562304/0x800682000
  1730 nfsd     CALL  mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,0xffffffff,0)
  1730 nfsd     RET   mmap 34366566400/0x800683000
  1730 nfsd     CALL  mmap(0,0x1000,0x3<PROT_READ|PROT_WRITE>,0x1002<MAP_PRIVATE|MAP_ANON>,0xffffffff,0)
  1730 nfsd     RET   mmap 34366570496/0x800684000
  1730 nfsd     CALL  __sysctl(0x7fffffffe2c0,0x2,0x7fffffffe310,0x7fffffffe308,0x8002516cf,0xf)
  1730 nfsd     SCTL  "sysctl.name2oid"
  1730 nfsd     RET   __sysctl 0
  1730 nfsd     CALL  __sysctl(0x7fffffffe310,0x2,0x7fffffffe3c0,0x7fffffffe3c8,0,0)
  1730 nfsd     SCTL  "kern.ps_strings"
  1730 nfsd     RET   __sysctl 0
  1730 nfsd     CALL  getpid
  1730 nfsd     RET   getpid 1730/0x6c2
  1730 nfsd     CALL  __sysctl(0x7fffffffe4c0,0x4,0,0,0x800680000,0xd)
  1730 nfsd     SCTL  "kern.proc.args.1730"
  1730 nfsd     RET   __sysctl 0
  1730 nfsd     CALL  select(0x7,0x7fffffffe540,0,0,0)

root@reverse:/usr/sbin# ps -aux | grep nfsd
root   1730    0.0  0.0 10916  2420  -  Is   21:50     0:00.02 nfsd: master (nfsd)
root   1731    0.0  0.0 11108  2480  -  S    21:50     0:00.00 nfsd: server (nfsd)