[libc][cpio] Add cpio.h header.

libc/docs/CMakeLists.txt

@@ -37,6 +37,7 @@ if (SPHINX_FOUND)
       aio
       arpa/inet
       assert
+      cpio
       ctype
       errno
       fenv

libc/docs/headers/index.rst

@@ -8,6 +8,7 @@ Implementation Status
    arpa/inet
    assert
    complex
+   cpio
    ctype
    errno
    fenv

libc/utils/docgen/cpio.yaml

@@ -0,0 +1,107 @@
+macros:
+  C_IRUSR:
+    c-definition: "Read by owner."
+    in-latest-posix: ''
+    value: "0000400"
+
+  C_IWUSR:
+    c-definition: "Write by owner."
+    in-latest-posix: ''
+    value: "0000200"
+
+  C_IXUSR:
+    c-definition: "Execute by owner."
+    in-latest-posix: ''
+    value: "0000100"
+
+  C_IRGRP:
+    c-definition: "Read by group."
+    in-latest-posix: ''
+    value: "0000040"
+
+  C_IWGRP:
+    c-definition: "Write by group."
+    in-latest-posix: ''
+    value: "0000020"
+
+  C_IXGRP:
+    c-definition: "Execute by group."
+    in-latest-posix: ''
+    value: "0000010"
+
+  C_IROTH:
+    c-definition: "Read by others."
+    in-latest-posix: ''
+    value: "0000004"
+
+  C_IWOTH:
+    c-definition: "Write by others."
+    in-latest-posix: ''
+    value: "0000002"
+
+  C_IXOTH:
+    c-definition: "Execute by others."
+    in-latest-posix: ''
+    value: "0000001"
+
+  C_ISUID:
+    c-definition: "Set user ID."
+    in-latest-posix: ''
+    value: "0004000"
+
+  C_ISGID:
+    c-definition: "Set group ID."
+    in-latest-posix: ''
+    value: "0002000"
+
+  C_ISVTX:
+    c-definition: "Restricted deletion flag on directories."
+    in-latest-posix: ''
+    value: "0001000"
+
+  C_ISDIR:
+    c-definition: "Directory."
+    in-latest-posix: ''
+    value: "0040000"
+
+  C_ISFIFO:
+    c-definition: "FIFO."
+    in-latest-posix: ''
+    value: "0010000"
+
+  C_ISREG:
+    c-definition: "Regular file."
+    in-latest-posix: ''
+    value: "0100000"
+
+  C_ISBLK:
+    c-definition: "Block special."
+    in-latest-posix: ''
+    value: "0060000"
+
+  C_ISCHR:
+    c-definition: "Character special."
+    in-latest-posix: ''
+    value: "0020000"
+
+  C_ISCTG:
+    c-definition: "Reserved."
+    in-latest-posix: ''
+    value: "0110000"
+
+  C_ISLNK:
+    c-definition: "Symbolic link."
+    in-latest-posix: ''
+    value: "0120000"
+
+  C_ISSOCK:
+    c-definition: "Socket."
+    in-latest-posix: ''
+    value: "0140000"
+
+  MAGIC:
+    c-definition: "The magic string for cpio files."
+    in-latest-posix: ''
+    value: '"070707"'
+
+