Properties file library for C (or C++)

Question

The title is pretty self-explanatory: does anyone know of a (good) properties file reader library for C or, if not, C++?

Edit: To be specific, I want a library which

Answer 1

Poco also has an Implementation for Reading PropertyFiles http://pocoproject.org/docs/Poco.Util.PropertyFileConfiguration.html

A Simple example copied from here: http://pocoproject.org/slides/180-Configuration.pdf

Property file content:

# a comment
! another comment
key1 = value1
key2: 123
key3.longValue = this is a very \
long value
path = c:\\test.dat

Code example

#include 
using Poco::AutoPtr;
using Poco::Util::PropertyFileConfiguration;
AutoPtr pConf;
pConf = new PropertyFileConfiguration("test.properties");
std::string key1 = pConf->getString("key1");
int value = pConf->getInt("key2");
std::string longVal = pConf->getString("key3.longValue");