Remove reserved POSIX macros and add missing function documentation in unistd.yaml

Author: StarOne01

libc/utils/docgen/unistd.yaml

@@ -159,12 +159,6 @@ macros:
   _POSIX2_SYMLINKS:
     in-latest-posix: ""
 
-  "NULL":
-    in-latest-posix: ""
-  O_CLOEXEC:
-    in-latest-posix: ""
-  O_CLOFORK:
-    in-latest-posix: ""
   F_OK:
     in-latest-posix: ""
   R_OK:
@@ -209,49 +203,10 @@ macros:
   _CS_V8_ENV:
     in-latest-posix: ""
 
-  _CS_POSIX_V7_ILP32_OFF32_CFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_ILP32_OFF32_LDFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_ILP32_OFF32_LIBS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_ILP32_OFFBIG_LIBS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_LP64_OFF64_CFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_LP64_OFF64_LDFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_LP64_OFF64_LIBS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_LPBIG_OFFBIG_LIBS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_THREADS_CFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_THREADS_LDFLAGS:
-    in-latest-posix: ""
-  _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS:
-    in-latest-posix: ""
-  _CS_V7_ENV:
-    in-latest-posix: ""
-
-  SEEK_CUR:
-    in-latest-posix: ""
   SEEK_END:
     in-latest-posix: ""
   SEEK_SET:
     in-latest-posix: ""
-  SEEK_HOLE:
-    in-latest-posix: ""
-  SEEK_DATA:
-    in-latest-posix: ""
 
   F_LOCK:
     in-latest-posix: ""
@@ -584,19 +539,26 @@ functions:
     in-latest-posix: ""
   execvp:
     in-latest-posix: ""
+  faccessat:
+    in-latest-posix: ""
   fchdir:
     in-latest-posix: ""
   fchown:
     in-latest-posix: ""
+  fchownat:
+    in-latest-posix: ""
   fdatasync:
     in-latest-posix: ""
+  fexecve:
+    in-latest-posix: ""
+  _Fork:
+    in-latest-posix: ""
   fork:
     in-latest-posix: ""
   fpathconf:
     in-latest-posix: ""
   fsync:
     in-latest-posix: ""
-
   ftruncate:
     in-latest-posix: ""
   getcwd:
@@ -645,7 +607,6 @@ functions:
     in-latest-posix: ""
   linkat:
     in-latest-posix: ""
-
   lockf:
     in-latest-posix: ""
   lseek:
@@ -712,6 +673,8 @@ functions:
     in-latest-posix: ""
   truncate:
     in-latest-posix: ""
+  ttyname:
+    in-latest-posix: ""
   ttyname_r:
     in-latest-posix: ""
   unlink: