error ffplay

make
CC	ffplay.o
In file included from testoscheader.h:2:0,
                 from ffplay.c:47:
libOSC/OSC-client.c:57:12: error: conflicting types for ‘strlen’
libOSC/OSC-client.c: In function ‘PatchMessageSize’:
libOSC/OSC-client.c:127:5: error: implicit declaration of function ‘htonl’ [-Werror=implicit-function-declaration]
libOSC/OSC-client.c: In function ‘OSC_openBundle’:
libOSC/OSC-client.c:132:19: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:137:19: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:142:19: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:154:2: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:158:2: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:165:5: warning: passing argument 2 of ‘OSC_padString’ discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:58:12: note: expected ‘char *’ but argument is of type ‘const char *’
libOSC/OSC-client.c: In function ‘ChangeOutermostTimestamp’:
libOSC/OSC-client.c:205:20: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_closeBundle’:
libOSC/OSC-client.c:217:19: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_closeAllBundles’:
libOSC/OSC-client.c:247:26: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_writeAddress’:
libOSC/OSC-client.c:264:19: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:269:26: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:279:2: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:283:2: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_writeAddressAndTypes’:
libOSC/OSC-client.c:312:5: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘CheckTypeTag’:
libOSC/OSC-client.c:325:20: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:328:20: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:331:20: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_writeFloatArg’:
libOSC/OSC-client.c:347:5: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:345:9: warning: unused variable ‘result’ [-Wunused-variable]
libOSC/OSC-client.c: In function ‘OSC_writeFloatArgs’:
libOSC/OSC-client.c:367:5: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_writeIntArg’:
libOSC/OSC-client.c:383:5: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: In function ‘OSC_writeStringArg’:
libOSC/OSC-client.c:406:2: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c:411:2: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
libOSC/OSC-client.c: At top level:
libOSC/OSC-client.c:475:5: error: no previous prototype for ‘OSC_effectiveBlobLength’ [-Werror=missing-prototypes]
In file included from htmsocket.c:41:0,
                 from testoscheader.h:3,
                 from ffplay.c:47:
/usr/include/netinet/in.h:368:17: error: conflicting types for ‘htonl’
In file included from testoscheader.h:2:0,
                 from ffplay.c:47:
libOSC/OSC-client.c:127:27: note: previous implicit declaration of ‘htonl’ was here
In file included from testoscheader.h:3:0,
                 from ffplay.c:47:
htmsocket.c: In function ‘OpenHTMSocket’:
htmsocket.c:92:9: warning: redundant redeclaration of ‘mktemp’ [-Wredundant-decls]
In file included from libavutil/common.h:34:0,
                 from libavutil/avutil.h:271,
                 from libavutil/imgutils.h:30,
                 from ffplay.c:34:
/usr/include/stdlib.h:606:14: note: previous declaration of ‘mktemp’ was here
In file included from ffplay.c:47:0:
testoscheader.h: In function ‘SendBuffer’:
testoscheader.h:38:9: warning: passing argument 1 of ‘fatal_error’ discards ‘const’ qualifier from pointer target type [enabled by default]
testoscheader.h:23:6: note: expected ‘char *’ but argument is of type ‘const char *’
testoscheader.h: In function ‘WriteMessage’:
testoscheader.h:60:13: warning: passing argument 1 of ‘complain’ discards ‘const’ qualifier from pointer target type [enabled by default]
testoscheader.h:24:6: note: expected ‘char *’ but argument is of type ‘const char *’
testoscheader.h:84:17: warning: passing argument 1 of ‘fatal_error’ discards ‘const’ qualifier from pointer target type [enabled by default]
testoscheader.h:23:6: note: expected ‘char *’ but argument is of type ‘const char *’
testoscheader.h:92:13: warning: passing argument 1 of ‘complain’ discards ‘const’ qualifier from pointer target type [enabled by default]
testoscheader.h:24:6: note: expected ‘char *’ but argument is of type ‘const char *’
testoscheader.h:117:13: warning: passing argument 1 of ‘fatal_error’ discards ‘const’ qualifier from pointer target type [enabled by default]
testoscheader.h:23:6: note: expected ‘char *’ but argument is of type ‘const char *’
ffplay.c: In function ‘queue_picture’:
ffplay.c:1591:5: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
ffplay.c:1613:5: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
ffplay.c:1586:21: warning: unused variable ‘y’ [-Wunused-variable]
ffplay.c: In function ‘is_realtime’:
ffplay.c:2743:5: warning: passing argument 1 of ‘strlen’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from testoscheader.h:2:0,
                 from ffplay.c:47:
libOSC/OSC-client.c:422:12: note: expected ‘char *’ but argument is of type ‘const char *’
ffplay.c:2744:18: warning: passing argument 1 of ‘strlen’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from testoscheader.h:2:0,
                 from ffplay.c:47:
libOSC/OSC-client.c:422:12: note: expected ‘char *’ but argument is of type ‘const char *’
ffplay.c: In function ‘read_thread’:
ffplay.c:2896:18: warning: passing argument 1 of ‘strlen’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from testoscheader.h:2:0,
                 from ffplay.c:47:
libOSC/OSC-client.c:422:12: note: expected ‘char *’ but argument is of type ‘const char *’
ffplay.c:2896:18: warning: passing argument 1 of ‘strlen’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from testoscheader.h:2:0,
                 from ffplay.c:47:
libOSC/OSC-client.c:422:12: note: expected ‘char *’ but argument is of type ‘const char *’
In file included from ffplay.c:47:0:
ffplay.c: At top level:
testoscheader.h:28:12: warning: ‘exitStatus’ defined but not used [-Wunused-variable]
testoscheader.h:33:13: warning: ‘bufferForOSCbuf’ defined but not used [-Wunused-variable]
In file included from testoscheader.h:3:0,
                 from ffplay.c:47:
ffplay.c: In function ‘OpenHTMSocket’:
htmsocket.c:123:10: warning: ignoring return value of ‘mktemp’, declared with attribute warn_unused_result [-Wunused-result]
cc1: some warnings being treated as errors
make: *** [ffplay.o] Error 1