    yyin               11 gtags-parser/asm_scan.c #define yyin asm_in
    yyin               11 gtags-parser/php.c #define yyin php_in
    yyin               11 htags/asm.c    #define yyin asm_in
    yyin               11 htags/c.c      #define yyin c_in
    yyin               11 htags/cpp.c    #define yyin cpp_in
    yyin               11 htags/java.c   #define yyin java_in
    yyin               11 htags/php.c    #define yyin php_in