Make some internal functions static

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

enc/unicode/10.0.0/name2ctype.h

@@ -34756,9 +34756,11 @@ struct uniname2ctype_struct {
 };
 #define uniname2ctype_offset(str) offsetof(struct uniname2ctype_pool_t, uniname2ctype_pool_##str)
 
-#if !1+0
-static const struct uniname2ctype_struct *uniname2ctype_p(const char *, unsigned int);
+static const struct uniname2ctype_struct *uniname2ctype_p(
+#if !(1+0) /* if ANSI, old style not to conflict with generated prototype */
+    const char *, unsigned int
 #endif
+);
 
 #ifndef USE_UNICODE_PROPERTIES
 #define TOTAL_KEYWORDS 15

numeric.c

@@ -3902,7 +3902,7 @@ rb_int_modulo(VALUE x, VALUE y)
  *  See Numeric#divmod.
  */
 
-VALUE
+static VALUE
 int_remainder(VALUE x, VALUE y)
 {
     if (FIXNUM_P(x)) {

tool/enc-unicode.rb

@@ -448,9 +448,11 @@ struct uniname2ctype_struct {
 };
 #define uniname2ctype_offset(str) offsetof(struct uniname2ctype_pool_t, uniname2ctype_pool_##str)
 
-#if !(/*ANSI*/+0)
-static const struct uniname2ctype_struct *uniname2ctype_p(const char *, unsigned int);
+static const struct uniname2ctype_struct *uniname2ctype_p(
+#if !(/*ANSI*/+0) /* if ANSI, old style not to conflict with generated prototype */
+    const char *, unsigned int
 #endif
+);
 %}
 struct uniname2ctype_struct;
 %%

vm_backtrace.c

@@ -693,7 +693,7 @@ rb_ec_backtrace_str_ary(const rb_execution_context_t *ec, long lev, long n)
     return backtrace_to_str_ary(rb_ec_backtrace_object(ec), lev, n);
 }
 
-VALUE
+static VALUE
 ec_backtrace_location_ary(const rb_execution_context_t *ec, long lev, long n)
 {
     return backtrace_to_location_ary(rb_ec_backtrace_object(ec), lev, n);