Compiling Warning in Linux

Compiling my emulator, I get the following Warning.
[code=:0] MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory MAKE mt19937ar make[1]: Entering directory `/root/Desktop/trunk/3rdparty/mt19937ar' CC mt19937ar.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/mt19937ar' MAKE libconfig make[1]: Entering directory `/root/Desktop/trunk/3rdparty/libconfig' CC libconfig.c CC grammar.c CC scanctx.c CC scanner.c CC strbuf.c make[1]: Leaving directory `/root/Desktop/trunk/3rdparty/libconfig' MAKE common_sql make[1]: Entering directory `/root/Desktop/trunk/src/common' MKDIR obj_all CC conf.c CC db.c CC des.c CC ers.c CC grfio.c CC HPM.c CC mapindex.c mapindex.c: In function ‘mapindex_getmapname’: mapindex.c:28: warning: implicit declaration of function ‘strnlen’ CC md5calc.c CC mutex.c CC nullpo.c CC random.c CC showmsg.c CC strlib.c CC sysinfo.c CC thread.c CC timer.c CC utils.c CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common.a MKDIR obj_sql CC sql.c sql.c: In function ‘Sql_GetColumnNames’: sql.c:146: warning: implicit declaration of function ‘strnlen’ AR obj_sql/common_sql.a CC console.c CC core.c CC malloc.c CC socket.c AR obj_all/common_mini.a make[1]: Leaving directory `/root/Desktop/trunk/src/common' MAKE login_sql make[1]: Entering directory `/root/Desktop/trunk/src/login' MKDIR obj_sql CC account_sql.c CC ipban_sql.c CC login.c login.c: In function ‘mmo_auth’: login.c:980: warning: implicit declaration of function ‘strnlen’ CC loginlog_sql.c loginlog_sql.c: In function ‘login_log’: loginlog_sql.c:73: warning: implicit declaration of function ‘strnlen’ LD login-server make[1]: Leaving directory `/root/Desktop/trunk/src/login' MAKE char_sql make[1]: Entering directory `/root/Desktop/trunk/src/char' MKDIR obj_sql CC char.c char.c: In function ‘rename_char_sql’: char.c:1487: warning: implicit declaration of function ‘strnlen’ CC inter.c inter.c: In function ‘inter_vlog’: inter.c:971: warning: implicit declaration of function ‘strnlen’ CC int_auction.c int_auction.c: In function ‘auction_save’: int_auction.c:64: warning: implicit declaration of function ‘strnlen’ CC int_elemental.c CC int_guild.c int_guild.c: In function ‘inter_guild_tosql’: int_guild.c:134: warning: implicit declaration of function ‘strnlen’ CC int_homun.c int_homun.c: In function ‘mapif_homunculus_save’: int_homun.c:95: warning: implicit declaration of function ‘strnlen’ CC int_mail.c int_mail.c: In function ‘mail_savemessage’: int_mail.c:128: warning: implicit declaration of function ‘strnlen’ CC int_mercenary.c CC int_party.c int_party.c: In function ‘inter_party_tosql’: int_party.c:132: warning: implicit declaration of function ‘strnlen’ CC int_pet.c int_pet.c: In function ‘inter_pet_tosql’: int_pet.c:31: warning: implicit declaration of function ‘strnlen’ CC int_quest.c CC int_storage.c CC pincode.c LD char-server make[1]: Leaving directory `/root/Desktop/trunk/src/char' MAKE map_sql make[1]: Entering directory `/root/Desktop/trunk/src/map' MKDIR obj_sql CC atcommand.c CC battle.c CC battleground.c CC buyingstore.c CC chat.c CC chrif.c CC clif.c clif.c: In function ‘clif_displaymessage’: clif.c:5603: warning: implicit declaration of function ‘strnlen’ CC date.c CC duel.c CC elemental.c CC guild.c CC homunculus.c CC HPMmap.c CC instance.c CC intif.c CC irc-bot.c CC itemdb.c CC log.c log.c: In function ‘log_branch_sub_sql’: log.c:100: warning: implicit declaration of function ‘strnlen’ CC mail.c CC map.c CC mapreg_sql.c CC mercenary.c CC mob.c CC npc.c CC npc_chat.c CC party.c CC path.c CC pc.c CC pc_groups.c CC pet.c CC quest.c CC script.c CC searchstore.c CC skill.c CC status.c CC storage.c CC trade.c CC unit.c CC vending.c LD map-server make[1]: Leaving directory `/root/Desktop/trunk/src/map' building conf/import folder... ls: conf/import-tmpl: No such file or directory [/code]
Hosting Information:
[code=:0] [Info]: Hercules 32-bit for Linux [Info]: Git revision (src): '4b4e573b43f135d6cabc8d66b17610df6e96aecf' [Info]: Git revision (scripts): '4b4e573b43f135d6cabc8d66b17610df6e96aecf' [Info]: OS version: 'CentOS release 5.10 (Final) [i686]' [Info]: CPU: 'Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz [4]' [Info]: Compiled with GCC v4.1.2 [Info]: Compile Flags: -g -O2 -DMAXCONN=16384 -pipe -ffast-math -Wall -Wextra -Wno-sign-compare -march=i686 -DHAS_TLS -Wno-unused-parameter -Wno-switch -Wno-missing-field-initializers -fno-strict-aliasing -DHAVE_SETRLIMIT -DHAVE_STRNLEN -DHAVE_MONOTONIC_CLOCK [/code]
I dont have custom codes in Source.
I have no errors when starting the emulator.

This affect my server?