Add dictionaries for fuzz_iolog_legacy and fuzz_iolog_timing.

MANIFEST

@@ -169,7 +169,9 @@ lib/iolog/regress/corpus/seed/timing/timing.4
 lib/iolog/regress/fuzz/fuzz_iolog_json.c
 lib/iolog/regress/fuzz/fuzz_iolog_json.dict
 lib/iolog/regress/fuzz/fuzz_iolog_legacy.c
+lib/iolog/regress/fuzz/fuzz_iolog_legacy.dict
 lib/iolog/regress/fuzz/fuzz_iolog_timing.c
+lib/iolog/regress/fuzz/fuzz_iolog_timing.dict
 lib/iolog/regress/host_port/host_port_test.c
 lib/iolog/regress/iolog_filter/check_iolog_filter.c
 lib/iolog/regress/iolog_filter/test1/log

lib/iolog/regress/fuzz/fuzz_iolog_legacy.dict

@@ -0,0 +1,42 @@
+# Legacy I/O log info file:
+# timestamp:submit_user:run_user:run_group:tty:lines:columns
+# working directory
+# command [args]
+#
+# users and groups
+millert
+root
+bin
+wheel
+operator
+testuser
+alice
+bob
+users
+#
+# terminals
+/dev/console
+/dev/tty00
+/dev/tty01
+/dev/pts/0
+/dev/pts/1
+/dev/ttyp2
+/dev/ttyp3
+#
+# directories
+/root
+/home/millert
+/home/alice
+/home/bob
+/tmp
+/usr/local
+/usr/src
+#
+# commands
+/bin/ls
+/usr/bin/id -u
+/usr/bin/su -
+/usr/bin/mailq
+/usr/bin/make -C /usr/src/usr.bin/sort install
+/usr/bin/apt update
+/usr/bin/rpm -e sudo

lib/iolog/regress/fuzz/fuzz_iolog_timing.dict

@@ -0,0 +1,89 @@
+# I/O log timing lines are formatted as:
+#   [0-4] sleep_time num_bytes
+#   5 sleep_time lines cols
+#   7 sleep_time signum|sigabbrev
+#
+# Signal abbreviations
+ABRT
+ALRM
+BUS
+CANCEL
+CHLD
+CLD
+CONT
+CONT
+EMT
+FPE
+FREEZE
+HUP
+ILL
+INFO
+INT
+IO
+IOT
+KILL
+LOST
+LWP	
+PIPE
+POLL
+PROF
+PWR
+QUIT
+SEGV
+STKFLT
+STOP
+STOP
+SYS
+TERM
+THAW
+TRAP
+TSTP
+TSTP
+TTIN
+TTIN
+TTOU
+TTOU
+UNUSED
+URG
+USR1
+USR2
+VTALRM
+WAITING
+WINCH
+XCPU
+XFSZ
+#
+# Signal numbers, 0-32
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32