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It's annoying to have to type a function prototypes twice> Is there an IDE that does this automatically?
For example, how to do this in Eclipse with CDT?
Basically I am asking for 3 things:
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In C language, when we don't provide a prototype of a function, the compiler assumes that function returns an integer. In our example, we haven't included the “string. h” header file (strerror's prototype is declared in this file), that's why the compiler assumed that function returns an integer.
The compiler does not find what is the function and what is its signature. In that case, we need to function prototypes. If the function is defined before then we do not need prototypes.
A Function Prototype In C, all functions must be written to return a specific TYPE of information and to take in specific types of data (parameters). This information is communicated to the compiler via a function prototype. The function prototype is also used at the beginning of the code for the function.
For example, how to do this in Eclipse with CDT?
If you already declared your prototypes in a header file, choose from there with the context menu 'Source->Implement Method...'. This will popup a dialog to let you select which unimplemented methods should be generated in the corresponding source.
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