[Ipopt] Error Linking IPOPT 3.5.5 Stable

[einglez]

hs071_cpp Under MSVS 2005
Does anyone know how to solve it?
Compiling...
hs071_nlp.cpp
hs071_main.cpp
Generating Code...
Linking...
vcf2c.lib(open.obj) : error LNK2019: unresolved external symbol _errno referenced in function _f_open
vcf2c.lib(wrtfmt.obj) : error LNK2001: unresolved external symbol _errno
vcf2c.lib(endfile.obj) : error LNK2001: unresolved external symbol _errno
vcf2c.lib(sfe.obj) : error LNK2001: unresolved external symbol _errno
vcf2c.lib(fmt.obj) : error LNK2001: unresolved external symbol _errno
vcf2c.lib(wsfe.obj) : error LNK2001: unresolved external symbol _errno
vcf2c.lib(err.obj) : error LNK2001: unresolved external symbol _errno
Release/hs071_cpp.exe : fatal error LNK1120: 1 unresolved externals
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