system calls comparison document?

[Iain Lea]

I am in the process of doing a comparision between different versions
of Unix at the system and function call level.

I am looking for a simple table of the form

| Call        | Unix 1 | Unix 2 | Unix 3 |
------------------------------------------
| fopen       |   x    |   x    |    x   |
| gethostname |   x    |        |        |
|             |        |        |        |
     etc...

Does anyone know where I can get a list in troff, tex or just plain
ascii format that compares any of the following Unixs against one
another:

  BSD4.2
  BSD4.3
  Version 7
  Xenix 386
  Sys5R2
  Sys5R3
  Sys5R4
  Posix

If I get any info I will post a summary and the finished text.

Thanx

Iain

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