Warning explanation while kernel compiling

[Arkady Tokaev]

Can somebody explain me the warnings of compilation?
Please, explain me, at least, first 4 lines.

Arkady Tokaev
 		 	   		  
_________________________________________________________________
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ArkFreeBSD# make buildkernel KERNCONF=MYKERNEL > MyCompyle_2009-09-24.txt
../aicasm/aicasm: 880 instructions used
../aicasm/aicasm: 826 instructions used
/usr/src/sys/dev/ie/if_ie.c: In function 'ieget':
/usr/src/sys/dev/ie/if_ie.c:676: warning: cast discards qualifiers from pointer
target type
/usr/src/sys/dev/ie/if_ie.c:769: warning: passing argument 1 of 'bcopy' discards
 qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:786: warning: passing argument 1 of 'bcopy' discards
 qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:798: warning: passing argument 1 of 'bcopy' discards
 qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c: In function 'ie_readframe':
/usr/src/sys/dev/ie/if_ie.c:844: warning: passing argument 1 of 'bcopy' discards
 qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c: In function 'iestart':
/usr/src/sys/dev/ie/if_ie.c:944: warning: passing argument 2 of 'bcopy' discards
 qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:956: warning: cast discards qualifiers from pointer
target type
/usr/src/sys/dev/ie/if_ie.c: In function 'check_ie_present':
/usr/src/sys/dev/ie/if_ie.c:1011: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1020: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1023: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1048: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c: In function 'command_and_wait':
/usr/src/sys/dev/ie/if_ie.c:1298: warning: cast discards qualifiers from pointer
 target type
/usr/src/sys/dev/ie/if_ie.c:1314: warning: cast discards qualifiers from pointer
 target type
/usr/src/sys/dev/ie/if_ie.c: In function 'setup_rfa':
/usr/src/sys/dev/ie/if_ie.c:1397: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1421: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c: In function 'mc_setup':
/usr/src/sys/dev/ie/if_ie.c:1470: warning: passing argument 1 of 'bcopy' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1470: warning: passing argument 2 of 'bcopy' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c: In function 'ieinit':
/usr/src/sys/dev/ie/if_ie.c:1501: warning: assignment discards qualifiers from p
ointer target type
/usr/src/sys/dev/ie/if_ie.c:1534: warning: passing argument 1 of 'bcopy' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1534: warning: passing argument 2 of 'bcopy' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1557: warning: assignment discards qualifiers from p
ointer target type
/usr/src/sys/dev/ie/if_ie.c:1568: warning: assignment discards qualifiers from p
ointer target type
/usr/src/sys/dev/ie/if_ie.c:1571: warning: assignment discards qualifiers from p
ointer target type
/usr/src/sys/dev/ie/if_ie.c:1578: warning: assignment discards qualifiers from p
ointer target type
/usr/src/sys/dev/ie/if_ie.c:1583: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c:1584: warning: passing argument 1 of 'bzero' discard
s qualifiers from pointer target type
/usr/src/sys/dev/ie/if_ie.c: At top level:
/usr/src/sys/dev/ie/if_ie.c:1143: warning: 'ee16_read_eeprom' defined but not us
ed
/usr/src/sys/dev/ie/if_ie.c:1085: warning: 'find_ie_mem_size' defined but not us
ed
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'ieget':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:676: warning: cast discards qualifi
ers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:769: warning: passing argument 1 of
 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:786: warning: passing argument 1 of
 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:798: warning: passing argument 1 of
 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'ie_readframe':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:844: warning: passing argument 1 of
 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'iestart':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:944: warning: passing argument 2 of
 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:956: warning: cast discards qualifi
ers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'check_ie_present':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1011: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1020: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1023: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1048: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'command_and_wait':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1298: warning: cast discards qualif
iers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1314: warning: cast discards qualif
iers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'setup_rfa':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1397: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1421: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'mc_setup':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1470: warning: passing argument 1 o
f 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1470: warning: passing argument 2 o
f 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: In function 'ieinit':
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1501: warning: assignment discards
qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1534: warning: passing argument 1 o
f 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1534: warning: passing argument 2 o
f 'bcopy' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1557: warning: assignment discards
qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1568: warning: assignment discards
qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1571: warning: assignment discards
qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1578: warning: assignment discards
qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1583: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1584: warning: passing argument 1 o
f 'bzero' discards qualifiers from pointer target type
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c: At top level:
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1143: warning: 'ee16_read_eeprom' d
efined but not used
/usr/src/sys/modules/ie/../../dev/ie/if_ie.c:1085: warning: 'find_ie_mem_size' d
efined but not used
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