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支持中文计算吗?

[root@localhost Levenshtein_mysql]# g++ -shared -fPIC -I /usr/include/mysql -o lev_distance.so lev_distance.cpp
lev_distance.cpp:1:19: error: mysql.h: No such file or directory
lev_distance.cpp:61: warning: ‘levenshtein’ initialized and declared ‘extern’
lev_distance.cpp:61: error: ‘UDF_INIT’ was not declared in this scope
lev_distance.cpp:61: error: ‘initid’ was not declared in this scope
lev_distance.cpp:61: error: ‘UDF_ARGS’ was not declared in this scope
lev_distance.cpp:61: error: ‘args’ was not declared in this scope
lev_distance.cpp:61: error: expected primary-expression before ‘char’
lev_distance.cpp:61: error: expected primary-expression before ‘char’
lev_distance.cpp:61: error: initializer expression list treated as compound expression
lev_distance.cpp:62: error: expected ‘,’ or ‘;’ before ‘{’ token
lev_distance.cpp:67: error: ‘my_bool’ does not name a type
[root@localhost Levenshtein_mysql]#