feat: closefrom() and close_range() for FreeBSD

Author: SteveLauC

libc-test/semver/freebsd.txt

@@ -2237,3 +2237,5 @@ xucred
 eaccess
 dirname
 basename
+closefrom
+close_from

src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs

@@ -522,6 +522,7 @@ extern "C" {
 
     pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
     pub fn basename(path: *mut ::c_char) -> *mut ::c_char;
+    pub fn close_range(lowfd: ::c_uint, highfd: ::c_uint, flags: ::c_int) -> ::c_int;
 }
 
 #[link(name = "kvm")]

src/unix/bsd/freebsdlike/freebsd/freebsd14/mod.rs

@@ -522,6 +522,7 @@ extern "C" {
 
     pub fn dirname(path: *mut ::c_char) -> *mut ::c_char;
     pub fn basename(path: *mut ::c_char) -> *mut ::c_char;
+    pub fn close_range(lowfd: ::c_uint, highfd: ::c_uint, flags: ::c_int) -> ::c_int;
 }
 
 #[link(name = "kvm")]

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -5422,6 +5422,7 @@ extern "C" {
         new_value: *const itimerspec,
         old_value: *mut itimerspec,
     ) -> ::c_int;
+    pub fn closefrom(lowfd: ::c_int);
 }
 
 #[link(name = "memstat")]