Yet more minor cleanups

libc/inet/resolv.c

@@ -1132,7 +1132,7 @@ struct netent * getnetbyname(const char * name)
 
 #ifdef L_res_init
 
-int res_init()
+int res_init(void)
 {
 	return(0);
 }
@@ -1181,7 +1181,7 @@ int res_query(const char *dname, int class, int type,
 
 
 #ifdef L_gethostbyaddr
-struct hostent *gethostbyaddr (const void *addr, __socklen_t len, int type)
+struct hostent *gethostbyaddr (const void *addr, socklen_t len, int type)
 {
 	static struct hostent h;
 	static char namebuf[256];

libc/sysdeps/linux/common/syscalls.c

@@ -282,7 +282,8 @@ _syscall0(void, sync);
 
 //#define __NR_kill             37
 #ifdef L_kill
-//#include <signal.h>
+#include <signal.h>
+#undef kill
 _syscall2(int, kill, pid_t, pid, int, sig);
 #endif
 
@@ -498,8 +499,8 @@ _syscall0(pid_t, setsid);
 
 //#define __NR_sigaction        67
 #ifdef L_sigaction
-//#include <signal.h>
-struct sigaction;
+#include <signal.h>
+#undef sigaction
 _syscall3(int, sigaction, int, signum, const struct sigaction *, act,
 		  struct sigaction *, oldact);
 #endif
@@ -522,13 +523,15 @@ _syscall2(int, setregid, gid_t, rgid, gid_t, egid);
 
 //#define __NR_sigsuspend       72
 #ifdef L_sigsuspend
-//#include <signal.h>
+#include <signal.h>
+#undef sigsuspend
 _syscall1(int, sigsuspend, const sigset_t *, mask);
 #endif
 
 //#define __NR_sigpending       73
 #ifdef L_sigpending
-//#include <signal.h>
+#include <signal.h>
+#undef sigpending
 _syscall1(int, sigpending, sigset_t *, set);
 #endif
 
@@ -942,7 +945,8 @@ _syscall3(int, mprotect, void *, addr, size_t, len, int, prot);
 
 //#define __NR_sigprocmask      126
 #ifdef L_sigprocmask
-//#include <signal.h>
+#include <signal.h>
+#undef sigprocmask
 _syscall3(int, sigprocmask, int, how, const sigset_t *, set, sigset_t *,
 		  oldset);
 #endif

libc/sysdeps/linux/i386/brk.c

@@ -21,13 +21,16 @@
 #include <unistd.h>
 #include <sys/syscall.h>
 
+#ifndef __ptrvalue
+#define __ptrvalue
+#endif
 
 /* This must be initialized data because commons can't have aliases.  */
 void *___brk_addr = 0;
 
 int brk (void *addr)
 {
-    void *__unbounded newbrk, *__unbounded scratch;
+    void *newbrk, *scratch;
 
     asm ("movl %%ebx, %1\n"	/* Save %ebx in scratch register.  */
 	    "movl %3, %%ebx\n"	/* Put ADDR in %ebx to be syscall arg.  */