View Compilation Error

0_0_4304829_10797.cpp: In constructor `Treenode::Treenode()':
0_0_4304829_10797.cpp:13: error: `next' undeclared (first use this function)
0_0_4304829_10797.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4304829_10797.cpp: In function `void insert(Treenode*&, char*)':
0_0_4304829_10797.cpp:27: error: 'struct Treenode' has no member named 'next'
0_0_4304829_10797.cpp:27: error: 'struct Treenode' has no member named 'next'
0_0_4304829_10797.cpp:28: error: 'struct Treenode' has no member named 'next'
0_0_4304829_10797.cpp:30: error: 'struct Treenode' has no member named 'next'
0_0_4304829_10797.cpp: In function `int search(Treenode*, char*)':
0_0_4304829_10797.cpp:44: error: 'struct Treenode' has no member named 'next'
0_0_4304829_10797.cpp:46: error: 'struct Treenode' has no member named 'next'