--- a/libc/spec/posix.td	Wed Nov 09 17:47:54 2022 +0900
+++ b/libc/spec/posix.td	Fri Aug 18 09:04:13 2023 +0900
@@ -45,6 +45,10 @@
 def StructTimeSpec : NamedType<"struct timespec">;
 def StructTimeSpecPtr : PtrType<StructTimeSpec>;
 
+def StructSchedParam : NamedType<"struct sched_param">;
+def StructSchedParamPtr : PtrType<StructSchedParam>;
+def ConstStructSchedParamPtr : ConstType<StructSchedParamPtr>;
+
 def ExecArgvT : NamedType<"__exec_argv_t">;
 def ExecEnvpT : NamedType<"__exec_envp_t">;
 
@@ -76,6 +80,10 @@
 
 def GetoptArgvT : NamedType<"__getoptargv_t">;
 
+def StructSockAddr : NamedType<"struct sockaddr">;
+def StructSockAddrPtr : PtrType<StructSockAddr>;
+def SAFamilyType : NamedType<"sa_family_t">;
+
 def POSIX : StandardSpec<"POSIX"> {
   PtrType CharPtr = PtrType<CharType>;
   RestrictedPtrType RestrictedCharPtr = RestrictedPtrType<CharType>;
@@ -417,7 +425,7 @@
         FunctionSpec<
           "ftruncate",
           RetValSpec<IntType>,
-          [ArgSpec<ConstCharPtr>, ArgSpec<OffTType>]
+          [ArgSpec<IntType>, ArgSpec<OffTType>]
         >,
         FunctionSpec<
           "geteuid",
@@ -545,6 +553,11 @@
           [ArgSpec<ConstCharPtr>]
         >,
         FunctionSpec<
+          "swab",
+          RetValSpec<VoidType>,
+          [ArgSpec<ConstVoidRestrictedPtr>, ArgSpec<VoidPtr>, ArgSpec<SSizeTType>]
+        >,
+        FunctionSpec<
           "symlink",
           RetValSpec<IntType>,
           [ArgSpec<ConstCharPtr>, ArgSpec<ConstCharPtr>]
@@ -567,7 +580,7 @@
         FunctionSpec<
           "truncate",
           RetValSpec<IntType>,
-          [ArgSpec<IntType>, ArgSpec<OffTType>]
+          [ArgSpec<ConstCharPtr>, ArgSpec<OffTType>]
         >,
         FunctionSpec<
           "unlink",
@@ -625,6 +638,61 @@
     ]
   >;
 
+  HeaderSpec Sched = HeaderSpec<
+      "sched.h",
+      [], // Macros
+      [PidT, TimeTType, StructTimeSpec, StructSchedParam], // Types
+      [], // Enumerations
+      [
+        FunctionSpec<
+            "sched_yield",
+            RetValSpec<IntType>,
+            [ArgSpec<VoidType>]
+        >,
+        FunctionSpec<
+            "sched_setparam",
+            RetValSpec<IntType>,
+            [ArgSpec<PidT>, ArgSpec<ConstStructSchedParamPtr>]
+        >,
+
+        FunctionSpec<
+            "sched_getparam",
+            RetValSpec<IntType>,
+            [ArgSpec<PidT>, ArgSpec<StructSchedParamPtr>]
+        >,
+
+        FunctionSpec<
+            "sched_setscheduler",
+            RetValSpec<IntType>,
+            [ArgSpec<PidT>]
+        >,
+
+        FunctionSpec<
+            "sched_getscheduler",
+            RetValSpec<IntType>,
+            [ArgSpec<PidT>, ArgSpec<IntType>, ArgSpec<ConstStructSchedParamPtr>]
+        >,
+
+        FunctionSpec<
+            "sched_get_priority_min",
+            RetValSpec<IntType>,
+            [ArgSpec<IntType>]
+        >,
+
+        FunctionSpec<
+            "sched_get_priority_max",
+            RetValSpec<IntType>,
+            [ArgSpec<IntType>]
+        >,
+
+        FunctionSpec<
+            "sched_rr_get_interval",
+            RetValSpec<IntType>,
+            [ArgSpec<PidT>, ArgSpec<StructTimeSpecPtr>]
+        >,
+      ]
+  >;
+
   HeaderSpec String = HeaderSpec<
     "string.h",
     [
@@ -723,7 +791,20 @@
   HeaderSpec SysStat = HeaderSpec<
     "sys/stat.h",
     [], // Macros
-    [ModeTType, DevT, InoT, UidT, GidT, StructTimeSpec, BlkSizeT, BlkCntT, OffTType, NLinkT, StatType], // Types
+    [
+        ModeTType,
+        DevT,
+        InoT,
+        UidT,
+        GidT,
+        StructTimeSpec,
+        StructTimevalType,
+        BlkSizeT,
+        BlkCntT,
+        OffTType,
+        NLinkT,
+        StatType,
+    ], // Types
     [], // Enumerations
     [
         FunctionSpec<
@@ -785,6 +866,35 @@
     ]
   >;
 
+  HeaderSpec ArpaInet = HeaderSpec<
+      "arpa/inet.h",
+      [], // Macros
+      [], // Types
+      [], // Enumerations
+      [
+          FunctionSpec<
+              "htonl",
+              RetValSpec<UInt32Type>,
+              [ArgSpec<UInt32Type>]
+          >,
+          FunctionSpec<
+              "htons",
+              RetValSpec<UInt16Type>,
+              [ArgSpec<UInt16Type>]
+          >,
+          FunctionSpec<
+              "ntohl",
+              RetValSpec<UInt32Type>,
+              [ArgSpec<UInt32Type>]
+          >,
+          FunctionSpec<
+              "ntohs",
+              RetValSpec<UInt16Type>,
+              [ArgSpec<UInt16Type>]
+          >,
+      ]
+  >;
+
   HeaderSpec PThread = HeaderSpec<
     "pthread.h",
     [], // Macros
@@ -874,7 +984,7 @@
       >,
       FunctionSpec<
           "pthread_exit",
-          RetValSpec<VoidType>,
+          RetValSpec<NoReturn>,
           [ArgSpec<VoidPtr>]
       >,
       FunctionSpec<
@@ -1011,6 +1121,16 @@
               RetValSpec<VoidType>,
               [ArgSpec<FILEPtr>]
           >,
+          FunctionSpec<
+              "getc_unlocked",
+              RetValSpec<IntType>,
+              [ArgSpec<FILEPtr>]
+          >,
+          FunctionSpec<
+              "getchar_unlocked",
+              RetValSpec<IntType>,
+              [ArgSpec<VoidType>]
+          >,
       ]
   >;
 
@@ -1056,21 +1176,23 @@
   HeaderSpec Time = HeaderSpec<
       "time.h",
       [], // Macros
-      [ClockIdT, StructTimeSpec], // Types
+      [ClockIdT, StructTimeSpec, StructTimevalType], // Types
       [], // Enumerations
       [
           FunctionSpec<
+              "clock_gettime",
+              RetValSpec<IntType>,
+              [ArgSpec<ClockIdT>, ArgSpec<StructTimeSpecPtr>]
+          >,
+          FunctionSpec<
+              "gettimeofday",
+              RetValSpec<IntType>,
+              [ArgSpec<StructTimevalPtr>, ArgSpec<VoidPtr>]
+          >,
+          FunctionSpec<
               "nanosleep",
               RetValSpec<IntType>,
-              [
-	      	      ArgSpec<StructTimeSpecPtr>,
-	      	      ArgSpec<StructTimeSpecPtr>,
-	            ]
-          >,
-          FunctionSpec<
-              "clock_gettime",
-              RetValSpec<IntType>,
-              [ArgSpec<ClockIdT>,ArgSpec<StructTimeSpecPtr>]
+              [ArgSpec<StructTimeSpecPtr>, ArgSpec<StructTimeSpecPtr>]
           >,
       ]
   >;
@@ -1078,7 +1200,7 @@
   HeaderSpec SysWait = HeaderSpec<
     "sys/wait.h",
     [], // Macros
-    [PidT, StructRUsage],
+    [PidT, StructRUsage, SigInfoType],
     [], // Enumerations
     [
       FunctionSpec<
@@ -1229,6 +1351,34 @@
     ]
   >;
 
+  HeaderSpec SysSocket = HeaderSpec<
+      "sys/socket.h",
+      [
+        Macro<"AF_UNSPEC">,
+        Macro<"AF_UNIX">,
+        Macro<"AF_LOCAL">,
+        Macro<"AF_INET">,
+        Macro<"AF_INET6">,
+        Macro<"SOCK_STREAM">,
+        Macro<"SOCK_DGRAM">,
+        Macro<"SOCK_RAW">,
+        Macro<"SOCK_RDM">,
+        Macro<"SOCK_SEQPACKET">,
+        Macro<"SOCK_PACKET">,
+      ], // Macros
+      [
+        StructSockAddr, SAFamilyType,
+      ], // Types
+      [], // Enumerations
+      [
+        FunctionSpec<
+          "socket",
+          RetValSpec<IntType>,
+          [ArgSpec<IntType>, ArgSpec<IntType>, ArgSpec<IntType>]
+        >,
+      ]  // Functions
+  >;
+
   HeaderSpec SysTypes = HeaderSpec<
     "sys/types.h",
     [], // Macros
@@ -1240,11 +1390,13 @@
   >;
 
   let Headers = [
+    ArpaInet,
     CType,
     Dirent,
     Errno,
     FCntl,
     PThread,
+    Sched,
     Signal,
     Spawn,
     StdIO,
@@ -1253,6 +1405,7 @@
     SysMMan,
     SysResource,
     SysSelect,
+    SysSocket,
     SysStat,
     SysTypes,
     SysUtsName,