how can I integrate the existing project written in C with the iphone view-based application project?

I would like to ask that if I have a project written in C and another project of view-based iphone application. How can I access that C methods, propert开发者_开发技巧ies from the C library while I am working in the iphone project, I mean, how can I use the C project in iphone app?

Any help would be appreciated, Thanks.

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C APIs can directly be called from Objective-C, there are no special tricks required - just like C, #include the header file and call the function.