1# Supported API by libc
2
3These files are read by [`build.rs`](../build.rs) and turned into tests to
4ensure that APIs aren't removed between libc releases.
5
6## File order
7
8Files are including in the following order:
9
10* Family, e.g. `unix.txt`. NOTE: Windows is skipped here and includes as OS name
11  below.
12* Vendor, e.g. `apple.txt`. This allows us to have a single file with system
13  calls shared between multiple OSs, e.g. `ios.txt`, `macos.txt` share the same
14  kernel.
15* OS, e.g `linux.txt`, `macos.txt`, `windows.txt`.
16* Architecture specific system calls, e.g. `linux-x86_64.txt` or
17  `linux-aarch64.txt`.
18* Target environment, e.g. `windows-mscv.txt` or `windows-gnu.txt`.
19