Merge "add fortified implementations of send/sendto"

diff --cc libc/libc.arm.map
index 33aedb2,47292e1..ebe249f
--- 1/libc/libc.arm.map
--- 2/libc/libc.arm.map
+++ b/libc/libc.arm.map
@@@ -1265,8 -1265,8 +1265,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      bsd_signal; # arm x86 mips versioned=26
      catclose; # future
      catgets; # future

diff --cc libc/libc.arm64.map
index 0d4fc2d,061c8ba..74d0171
--- 1/libc/libc.arm64.map
--- 2/libc/libc.arm64.map
+++ b/libc/libc.arm64.map
@@@ -1188,8 -1188,8 +1188,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      catclose; # future
      catgets; # future
      catopen; # future

diff --cc libc/libc.map.txt
index 4d9ac57,07dd63c..6afea32
--- 1/libc/libc.map.txt
--- 2/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@@ -1290,8 -1290,8 +1290,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      bsd_signal; # arm x86 mips versioned=26
      catclose; # future
      catgets; # future

diff --cc libc/libc.mips.map
index c526226,34da820..d67c0f3
--- 1/libc/libc.mips.map
--- 2/libc/libc.mips.map
+++ b/libc/libc.mips.map
@@@ -1249,8 -1249,8 +1249,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      bsd_signal; # arm x86 mips versioned=26
      catclose; # future
      catgets; # future

diff --cc libc/libc.mips64.map
index 0d4fc2d,061c8ba..74d0171
--- 1/libc/libc.mips64.map
--- 2/libc/libc.mips64.map
+++ b/libc/libc.mips64.map
@@@ -1188,8 -1188,8 +1188,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      catclose; # future
      catgets; # future
      catopen; # future

diff --cc libc/libc.x86.map
index 130bbed,640fa4a..bbba189
--- 1/libc/libc.x86.map
--- 2/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@@ -1247,8 -1247,8 +1247,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      bsd_signal; # arm x86 mips versioned=26
      catclose; # future
      catgets; # future

diff --cc libc/libc.x86_64.map
index 0d4fc2d,061c8ba..74d0171
--- 1/libc/libc.x86_64.map
--- 2/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@@ -1188,8 -1188,8 +1188,9 @@@ LIBC_N { # introduced-arm64=24 introduc
  
  LIBC_O {
    global:
+     __sendto_chk; # future
      __system_property_read_callback; # future
 +    __system_property_wait; # future
      catclose; # future
      catgets; # future
      catopen; # future