From 7cc4caee4f879efd12a079a206b00a689a254609 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sun, 11 Nov 2018 00:44:04 +0100
Subject: Add ispunct() to LibC + some minor cleanups.

---
 Kernel/sync.sh  | 1 -
 LibC/Makefile   | 1 +
 LibC/ctype.cpp  | 8 ++++++++
 LibC/ctype.h    | 6 ++++++
 LibC/setjmp.cpp | 2 +-
 5 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 LibC/ctype.cpp

diff --git a/Kernel/sync.sh b/Kernel/sync.sh
index c89133219f..c02ce4cbeb 100755
--- a/Kernel/sync.sh
+++ b/Kernel/sync.sh
@@ -8,7 +8,6 @@ cp -v ../Userland/sh mnt/bin/sh
 cp -v ../Userland/id mnt/bin/id
 cp -v ../Userland/ps mnt/bin/ps
 cp -v ../Userland/ls mnt/bin/ls
-cp -v ../Userland/pwd mnt/bin/pwd
 cp -v ../Userland/sleep mnt/bin/sleep
 cp -v ../Userland/date mnt/bin/date
 cp -v ../Userland/true mnt/bin/true
diff --git a/LibC/Makefile b/LibC/Makefile
index fa584a4c6f..920b48395c 100644
--- a/LibC/Makefile
+++ b/LibC/Makefile
@@ -25,6 +25,7 @@ LIBC_OBJS = \
        setjmp.o \
        stat.o \
        mntent.o \
+       ctype.o \
        entry.o
 
 OBJS = $(AK_OBJS) $(LIBC_OBJS)
diff --git a/LibC/ctype.cpp b/LibC/ctype.cpp
new file mode 100644
index 0000000000..6f20aa64e4
--- /dev/null
+++ b/LibC/ctype.cpp
@@ -0,0 +1,8 @@
+#include <ctype.h>
+#include <string.h>
+
+int ispunct(int c)
+{
+    const char* punctuation_characters = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
+    return !!strchr(punctuation_characters, c);
+}
diff --git a/LibC/ctype.h b/LibC/ctype.h
index 0d067f33b8..9faba5db64 100644
--- a/LibC/ctype.h
+++ b/LibC/ctype.h
@@ -2,6 +2,8 @@
 
 #include <sys/cdefs.h>
 
+__BEGIN_DECLS
+
 ALWAYS_INLINE int isascii(int ch)
 {
     return (ch & ~0x7f) == 0;
@@ -40,3 +42,7 @@ ALWAYS_INLINE int isdigit(int c)
 {
     return c >= '0' && c <= '9';
 }
+
+int ispunct(int c);
+
+__END_DECLS
diff --git a/LibC/setjmp.cpp b/LibC/setjmp.cpp
index b7378d1f4a..536e543a6e 100644
--- a/LibC/setjmp.cpp
+++ b/LibC/setjmp.cpp
@@ -7,7 +7,7 @@ int setjmp(jmp_buf)
     assert(false);
 }
 
-void longjmp(jmp_buf, int val)
+void longjmp(jmp_buf, int)
 {
     assert(false);
 }
-- 
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