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  1.  Home
  2. RPG400-L
  3. November 2005

Re: C Functions



I'm sure that somewhere in the past I've seen a manual which details all
the 'C' functions available for use in ILE. I can't seem to find a
reference anywhere. Is there such a beast, or am I getting confused with
the normal API manuals?


ILE C/C++ Run-Time Library Functions is the main book.

There's also the ILE C/C++ for AS/400 MI Library Reference.

Both of these are in the Information Center under
Programming -> Languages -> C/C++
Many people think of some of the APIs as being "C Functions" as well, though they're technically system APIs. Technically, they're not part of the C runtime library and therefore not C APIs, but they might be what you're looking for. These are under 
Programming -> APIs -> APIs by Category.
There are various categories that have APIs you might think of as "C Functions". Technically, they're not, they're system APIs... but they're frequently thought of as C functions because they're designed for C programmers and are documented wth C code samples. APIs like this are scattered throughout the APIs section of the information center. However, there's one category called "Unix-type APIs" that are all designed with C programmers in mind, since they're copied from Unix where C is the lingua fraca, much like RPG is the lingua fraca of the iSeries. You can find APIs under Programming -> APIs by Category in the Information Center.
Plus, every software package written in C comes with functions, and they have their own manual.
So, while the ILE C/C++ manual is the "main" book for C functions, there are tons of other sources of info about C-related things.

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