Remove getopt_long() from headers

We removed this API a long time ago and it was breaking the GNU make
open source build.

libc/calls/fchdir.c

@@ -20,6 +20,7 @@
 #include "libc/calls/syscall-nt.internal.h"
 #include "libc/calls/syscall-sysv.internal.h"
 #include "libc/dce.h"
+#include "libc/intrin/strace.internal.h"
 
 /**
  * Sets current directory based on file descriptor.
@@ -30,9 +31,12 @@
  * @asyncsignalsafe
  */
 int fchdir(int dirfd) {
+  int rc;
   if (!IsWindows()) {
-    return sys_fchdir(dirfd);
+    rc = sys_fchdir(dirfd);
   } else {
-    return sys_fchdir_nt(dirfd);
+    rc = sys_fchdir_nt(dirfd);
   }
+  STRACE("fchdir(%d) → %d% m", dirfd, rc);
+  return rc;
 }

libc/calls/groups.internal.h

@@ -1,6 +1,5 @@
 #ifndef COSMOPOLITAN_LIBC_CALLS_GROUPS_INTERNAL_H_
 #define COSMOPOLITAN_LIBC_CALLS_GROUPS_INTERNAL_H_
-
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 

libc/calls/tcgetpgrp.c

@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/calls/calls.h"
 #include "libc/calls/syscall-sysv.internal.h"
 #include "libc/calls/termios.h"
 #include "libc/dce.h"
@@ -41,6 +42,8 @@ int tcgetpgrp(int fd) {
     rc = sys_ioctl(fd, TIOCGPGRP_linux, &pgrp);
   } else if (IsBsd()) {
     rc = sys_ioctl(fd, TIOCGPGRP_bsd, &pgrp);
+  } else if (IsWindows()) {
+    rc = getpid();
   } else {
     rc = enosys();
   }

libc/str/strpbrk.c

@@ -28,7 +28,7 @@ char *strpbrk(const char *s, const char *accept) {
     if (!accept[1]) {
       return strchr(s, accept[0]);
     } else {
-      memset(lut, 0, sizeof(lut));
+      bzero(lut, sizeof(lut));
       while (*accept) {
         lut[*accept++ & 255] = true;
       }