LibC: Rewrite all the headers.

We now have more or less posix issue 2018 conforming libc headers.

This was a really time consuming and boring operation but it had to
be done.

Now we get to actually start implementing libc :)

libc/include/bits/printf.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_PRINTF_H
+#define _BITS_PRINTF_H 1
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#include <stdarg.h>
+#include <stddef.h>
+
+int printf_impl(const char* format, va_list arguments, int (*putc_fun)(int, void*), void* data);
+
+__END_DECLS
+
+#endif

libc/include/bits/pthread_types.h

@@ -0,0 +1,85 @@
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_types.h.html
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#if !defined(__pthread_attr_t_defined) && (defined(__need_all_types) || defined(__need_pthread_attr_t))
+	#define __pthread_attr_t_defined 1
+	typedef int pthread_attr_t;
+#endif
+#undef __need_pthread_attr_t
+
+#if !defined(__pthread_barrier_t_defined) && (defined(__need_all_types) || defined(__need_pthread_barrier_t))
+	#define __pthread_barrier_t_defined 1
+	typedef int pthread_barrier_t;
+#endif
+#undef __need_pthread_barrier_t
+
+#if !defined(__pthread_barrierattr_t_defined) && (defined(__need_all_types) || defined(__need_pthread_barrierattr_t))
+	#define __pthread_barrierattr_t_defined 1
+	typedef int pthread_barrierattr_t;
+#endif
+#undef __need_pthread_barrierattr_t
+
+#if !defined(__pthread_cond_t_defined) && (defined(__need_all_types) || defined(__need_pthread_cond_t))
+	#define __pthread_cond_t_defined 1
+	typedef int pthread_cond_t;
+#endif
+#undef __need_pthread_cond_t
+
+#if !defined(__pthread_condattr_t_defined) && (defined(__need_all_types) || defined(__need_pthread_condattr_t))
+	#define __pthread_condattr_t_defined 1
+	typedef int pthread_condattr_t;
+#endif
+#undef __need_pthread_condattr_t
+
+#if !defined(__pthread_key_t_defined) && (defined(__need_all_types) || defined(__need_pthread_key_t))
+	#define __pthread_key_t_defined 1
+	typedef int pthread_key_t;
+#endif
+#undef __need_pthread_key_t
+
+#if !defined(__pthread_mutex_t_defined) && (defined(__need_all_types) || defined(__need_pthread_mutex_t))
+	#define __pthread_mutex_t_defined 1
+	typedef int pthread_mutex_t;
+#endif
+#undef __need_pthread_mutex_t
+
+#if !defined(__pthread_mutexattr_t_defined) && (defined(__need_all_types) || defined(__need_pthread_mutexattr_t))
+	#define __pthread_mutexattr_t_defined 1
+	typedef int pthread_mutexattr_t;
+#endif
+#undef __need_pthread_mutexattr_t
+
+#if !defined(__pthread_once_t_defined) && (defined(__need_all_types) || defined(__need_pthread_once_t))
+	#define __pthread_once_t_defined 1
+	typedef int pthread_once_t;
+#endif
+#undef __need_pthread_once_t
+
+#if !defined(__pthread_rwlock_t_defined) && (defined(__need_all_types) || defined(__need_pthread_rwlock_t))
+	#define __pthread_rwlock_t_defined 1
+	typedef int pthread_rwlock_t;
+#endif
+#undef __need_pthread_rwlock_t
+
+#if !defined(__pthread_rwlockattr_t_defined) && (defined(__need_all_types) || defined(__need_pthread_rwlockattr_t))
+	#define __pthread_rwlockattr_t_defined 1
+	typedef int pthread_rwlockattr_t;
+#endif
+#undef __need_pthread_rwlockattr_t
+
+#if !defined(__pthread_spinlock_t_defined) && (defined(__need_all_types) || defined(__need_pthread_spinlock_t))
+	#define __pthread_spinlock_t_defined 1
+	typedef int pthread_spinlock_t;
+#endif
+#undef __need_pthread_spinlock_t
+
+#if !defined(__pthread_t_defined) && (defined(__need_all_types) || defined(__need_pthread_t))
+	#define __pthread_t_defined 1
+	typedef int pthread_t;
+#endif
+#undef __need_pthread_t
+
+__END_DECLS

libc/include/bits/types/FILE.h

@@ -0,0 +1,18 @@
+#ifndef _BITS_TYPES_FILE_H
+#define _BITS_TYPES_FILE_H 1
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stdio.h.html
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#ifndef __FILE_defined
+	#define __FILE_defined 1
+	struct FILE;
+	typedef struct FILE FILE;
+#endif
+
+__END_DECLS
+
+#endif

libc/include/bits/types/locale_t.h

@@ -0,0 +1,17 @@
+#ifndef _BITS_LOCALE_T_H
+#define _BITS_LOCALE_T_H 1
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/locale.h.html
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#ifndef __locale_t_defined
+	#define __locale_t_defined 1
+	typedef int locale_t;
+#endif
+
+__END_DECLS
+
+#endif

libc/include/bits/types/sa_family_t.h

@@ -0,0 +1,17 @@
+#ifndef _BITS_TYPES_SA_FAMILY_T_H
+#define _BITS_TYPES_SA_FAMILY_T_H 1
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_select.h.html
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#ifndef __sa_family_t_defined
+	#define __sa_family_t_defined 1
+	typedef unsigned int sa_family_t;
+#endif
+
+__END_DECLS
+
+#endif