LibC: Add most of the "header may make visible" dependencies from POSIX

Userland/Libraries/LibC/arpa/inet.h

@@ -6,8 +6,11 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/arpa_inet.h.html
 #include <inttypes.h>
 #include <netinet/in.h>
+
 #include <sys/cdefs.h>
 #include <sys/socket.h>
 

Userland/Libraries/LibC/fcntl.h

@@ -7,6 +7,11 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/fcntl.h.html
+#include <sys/stat.h>
+#include <unistd.h>
+
 #include <Kernel/API/POSIX/fcntl.h>
 #include <Kernel/API/POSIX/sys/stat.h>
 #include <sys/cdefs.h>

Userland/Libraries/LibC/langinfo.h

@@ -6,7 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/langinfo.h.html
 #include <nl_types.h>
+
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS

Userland/Libraries/LibC/netdb.h

@@ -6,6 +6,12 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html
+#include <inttypes.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
 #include <sys/cdefs.h>
 #include <sys/types.h>
 

Userland/Libraries/LibC/netinet/in.h

@@ -6,6 +6,11 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html
+#include <inttypes.h>
+#include <sys/socket.h>
+
 #include <Kernel/API/POSIX/netinet/in.h>
 #include <endian.h>
 #include <sys/cdefs.h>

Userland/Libraries/LibC/pthread.h

@@ -6,12 +6,15 @@
 
 #pragma once
 
-#include <bits/pthread_integration.h>
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/pthread.h.html
 #include <sched.h>
+#include <time.h>
+
+#include <bits/pthread_integration.h>
 #include <stdint.h>
 #include <sys/cdefs.h>
 #include <sys/types.h>
-#include <time.h>
 
 __BEGIN_DECLS
 

Userland/Libraries/LibC/sched.h

@@ -6,6 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sched.h.html
+#include <time.h>
+
 #include <Kernel/API/POSIX/sched.h>
 #include <sys/cdefs.h>
 #include <sys/types.h>

Userland/Libraries/LibC/semaphore.h

@@ -6,6 +6,11 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/semaphore.h.html
+#include <fcntl.h>
+#include <time.h>
+
 #include <limits.h>
 #include <pthread.h>
 #include <sys/cdefs.h>

Userland/Libraries/LibC/signal.h

@@ -6,6 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
+#include <time.h>
+
 #include <Kernel/API/POSIX/signal.h>
 #include <Kernel/API/POSIX/ucontext.h>
 #include <bits/sighow.h>

Userland/Libraries/LibC/spawn.h

@@ -13,8 +13,11 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/spawn.h.html
 #include <sched.h>
 #include <signal.h>
+
 #include <sys/cdefs.h>
 #include <sys/types.h>
 

Userland/Libraries/LibC/stdio.h

@@ -8,6 +8,10 @@
 
 #define _STDIO_H // Make GMP believe we exist.
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stdio.h.html
+#include <stddef.h>
+
 #include <Kernel/API/POSIX/stdio.h>
 #include <bits/FILE.h>
 #include <limits.h>

Userland/Libraries/LibC/stdlib.h

@@ -6,8 +6,14 @@
 
 #pragma once
 
-#include <bits/wchar.h>
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stdlib.h.html
+#include <limits.h>
+#include <math.h>
 #include <stddef.h>
+#include <sys/wait.h>
+
+#include <bits/wchar.h>
 #include <sys/cdefs.h>
 #include <sys/types.h>
 

Userland/Libraries/LibC/string.h

@@ -7,6 +7,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/string.h.html
+#include <stddef.h>
+
 #include <sys/cdefs.h>
 #include <sys/types.h>
 

Userland/Libraries/LibC/sys/resource.h

@@ -6,9 +6,12 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_resource.h.html
+#include <sys/time.h>
+
 #include <stdint.h>
 #include <sys/cdefs.h>
-#include <sys/time.h>
 
 __BEGIN_DECLS
 

Userland/Libraries/LibC/sys/select.h

@@ -6,8 +6,12 @@
 
 #pragma once
 
-#include <fd_set.h>
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_select.h.html
 #include <signal.h>
+#include <time.h>
+
+#include <fd_set.h>
 #include <string.h>
 #include <sys/cdefs.h>
 #include <sys/time.h>

Userland/Libraries/LibC/sys/socket.h

@@ -6,6 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html
+#include <sys/uio.h>
+
 #include <Kernel/API/POSIX/sys/socket.h>
 #include <sys/cdefs.h>
 #include <sys/un.h>

Userland/Libraries/LibC/sys/time.h

@@ -6,6 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_time.h.html
+#include <sys/select.h>
+
 #include <Kernel/API/POSIX/sys/time.h>
 #include <sys/cdefs.h>
 #include <time.h>

Userland/Libraries/LibC/sys/wait.h

@@ -6,6 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_wait.h.html
+#include <signal.h>
+
 #include <Kernel/API/POSIX/signal.h>
 #include <Kernel/API/POSIX/sys/wait.h>
 #include <sys/cdefs.h>

Userland/Libraries/LibC/time.h

@@ -6,6 +6,10 @@
 
 #pragma once
 
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/time.h.html
+#include <signal.h>
+
 #include <Kernel/API/POSIX/time.h>
 #include <sys/cdefs.h>
 

Userland/Libraries/LibC/wchar.h

@@ -6,10 +6,18 @@
 
 #pragma once
 
-#include <bits/FILE.h>
+// Includes essentially mandated by POSIX:
-#include <bits/wchar_size.h>
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/wchar.h.html
+#include <ctype.h>
 #include <stdarg.h>
 #include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <bits/FILE.h>
+#include <bits/wchar_size.h>
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS

Userland/Libraries/LibC/wctype.h

@@ -6,11 +6,20 @@
 
 #pragma once
 
-#include <assert.h>
+// Includes essentially mandated by POSIX:
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/wctype.h.html
 #include <ctype.h>
-#include <sys/cdefs.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
 #include <wchar.h>
 
+#include <assert.h>
+#include <sys/cdefs.h>
+
 __BEGIN_DECLS
 
 typedef long wctrans_t;