Main: remove "libc/include/errno.h"

ChangeLog

@@ -3,10 +3,6 @@
 	* include/kernaux/version.h.in: Added
 	* include/kernaux/assert.h: Complete rewrite
 
-2022-06-12  Alex Kotov  <kotovalexarian@gmail.com>
-
-	* libc/include/errno.h: Added
-
 2022-06-10  Alex Kotov  <kotovalexarian@gmail.com>
 
 	* libc/include/string.h: Add funcs "memchr", "strcat", "strncat", "strchr"

README.md

@@ -77,7 +77,6 @@ zero). Work-in-progress APIs can change at any time.
     * [vsnprintf](/examples/snprintf_va.c)
 * libc replacement (*work in progress*)
   * [ctype.h](/libc/include/ctype.h)
-  * [errno.h](/libc/include/errno.h)
   * [inttypes.h](/libc/include/inttypes.h)
   * [setjmo.h](/libc/include/setjmo.h)
   * [stdlib.h](/libc/include/stdlib.h)

libc/Makefile.am

@@ -10,6 +10,5 @@ endif
 
 libc_la_SOURCES = \
 	src/ctype.c \
-	src/errno.c \
 	src/stdlib.c \
 	src/string.c

libc/include/Makefile.am

@@ -1,6 +1,5 @@
 nobase_include_HEADERS = \
 	ctype.h \
-	errno.h \
 	inttypes.h \
 	setjmp.h \
 	stdlib.h \

libc/include/errno.h

@@ -1,16 +0,0 @@
-#ifndef _ERRNO_H
-#define _ERRNO_H 1
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define ERANGE 1
-
-extern int errno;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif

libc/src/errno.c

@@ -1,7 +0,0 @@
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <errno.h>
-
-int errno = 0;