8 files changed, 3 insertions, 29 deletions
diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index 885af154fa..392d28ef72 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -29,7 +29,6 @@ AC_DEFUN([LIBZEND_BASIC_CHECKS],[
 AC_REQUIRE([AC_PROG_YACC])
 AC_REQUIRE([AC_PROG_CC])
 AC_REQUIRE([AC_PROG_CC_C_O])
-AC_REQUIRE([AC_HEADER_STDC])
 
 LIBZEND_BISON_CHECK
 
@@ -79,7 +78,7 @@ LIBZEND_CHECK_INT_TYPE(uint32_t)
 
 dnl Checks for library functions.
 AC_FUNC_ALLOCA
-AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass sigsetjmp)
+AC_CHECK_FUNCS(strdup getpid kill strtod strtol finite fpclass sigsetjmp)
 
 AC_CHECK_DECLS([isfinite, isnan, isinf], [], [], [[#include <math.h>]])
 
diff --git a/acinclude.m4 b/acinclude.m4
index 2c6f4b7dc8..181874390b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1030,10 +1030,8 @@ AC_DEFUN([_PHP_CHECK_SIZEOF], [
     old_LDFLAGS=$LDFLAGS
     LDFLAGS=
     AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#if STDC_HEADERS
 #include <stdlib.h>
 #include <stddef.h>
-#endif
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>
 #endif
@@ -1103,10 +1101,8 @@ AC_CACHE_VAL(ac_cv_type_in_addr_t,
 changequote(<<,>>)dnl
 <<in_addr_t[^a-zA-Z_0-9]>>dnl
 changequote([,]), [#include <sys/types.h>
-#if STDC_HEADERS
 #include <stdlib.h>
 #include <stddef.h>
-#endif
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif], ac_cv_type_in_addr_t=yes, ac_cv_type_in_addr_t=no)])dnl
diff --git a/configure.ac b/configure.ac
index 89d302910c..df31490bd1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -416,9 +416,6 @@ PHP_CHECK_FUNC(inet_aton, resolv, bind)
 dnl Then headers.
 dnl -------------------------------------------------------------------------
 
-dnl Checks for header files.
-AC_HEADER_STDC
-
 dnl QNX requires unix.h to allow functions in libunix to work properly
 AC_CHECK_HEADERS([ \
 inttypes.h \
@@ -628,7 +625,6 @@ localtime_r \
 lockf \
 lchown \
 lrand48 \
-memcpy \
 memmove \
 mkstemp \
 mmap \
diff --git a/ext/json/config.m4 b/ext/json/config.m4
index 882e39b242..ba255820c2 100644
--- a/ext/json/config.m4
+++ b/ext/json/config.m4
@@ -5,7 +5,6 @@ PHP_ARG_ENABLE(json, whether to enable JavaScript Object Serialization support,
 
 if test "$PHP_JSON" != "no"; then
   AC_DEFINE([HAVE_JSON],1 ,[whether to enable JavaScript Object Serialization support])
-  AC_HEADER_STDC
 
 PHP_NEW_EXTENSION(json,
 	  json.c \
diff --git a/ext/mbstring/libmbfl/config.h.in b/ext/mbstring/libmbfl/config.h.in
index 8d3cd739c0..fba649b0c4 100644
--- a/ext/mbstring/libmbfl/config.h.in
+++ b/ext/mbstring/libmbfl/config.h.in
@@ -63,9 +63,6 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
 /* Version number of package */
 #undef VERSION
 
diff --git a/ext/xmlrpc/libxmlrpc/acinclude.m4 b/ext/xmlrpc/libxmlrpc/acinclude.m4
index b425377b82..d73ae8cc35 100644
--- a/ext/xmlrpc/libxmlrpc/acinclude.m4
+++ b/ext/xmlrpc/libxmlrpc/acinclude.m4
@@ -6,12 +6,11 @@ AC_DEFUN([XMLRPC_FUNCTION_CHECKS],[
 AC_CHECK_FUNCS( \
  strtoul strtoull snprintf \
  strstr strpbrk strerror\
- memcpy memmove)
+ memmove)
 
 ])
 
 AC_DEFUN([XMLRPC_HEADER_CHECKS],[
-AC_HEADER_STDC
 AC_CHECK_HEADERS(xmlparse.h xmltok.h strings.h)
 ])
 
diff --git a/main/php.h b/main/php.h
index 332005fa4c..d0e3d566d5 100644
--- a/main/php.h
+++ b/main/php.h
@@ -230,17 +230,7 @@ typedef unsigned int socklen_t;
 #include "zend_hash.h"
 #include "zend_alloc.h"
 #include "zend_stack.h"
-
-#if STDC_HEADERS
-# include <string.h>
-#else
-# ifndef HAVE_MEMCPY
-#  define memcpy(d, s, n)	bcopy((s), (d), (n))
-# endif
-# ifndef HAVE_MEMMOVE
-#  define memmove(d, s, n)	bcopy ((s), (d), (n))
-# endif
-#endif
+#include <string.h>
 
 #ifndef HAVE_STRERROR
 char *strerror(int);
diff --git a/win32/build/config.w32.h.in b/win32/build/config.w32.h.in
index ccfad0ab16..1c4c691847 100644
--- a/win32/build/config.w32.h.in
+++ b/win32/build/config.w32.h.in
@@ -69,13 +69,11 @@
 #undef HAVE_STRUCT_STAT_ST_BLKSIZE
 #undef HAVE_STRUCT_STAT_ST_BLOCKS
 #define HAVE_STRUCT_STAT_ST_RDEV 1
-#define STDC_HEADERS 1
 #define REGEX 1
 #define HSREGEX 1
 #define HAVE_GCVT 1
 #define HAVE_GETLOGIN 1
 #define HAVE_GETTIMEOFDAY 1
-#define HAVE_MEMCPY 1
 #define HAVE_MEMMOVE 1
 #define HAVE_PUTENV 1
 #define HAVE_REGCOMP 1