adding exect/execvP for FreeBSD/DragonflyBSD

Author: devnexen

libc-test/semver/dragonfly.txt

@@ -1287,6 +1287,8 @@ eui64_aton
 eui64_hostton
 eui64_ntoa
 eui64_ntohost
+exect
+execvP
 exit_status
 explicit_bzero
 faccessat

libc-test/semver/freebsd.txt

@@ -1770,6 +1770,8 @@ eui64_aton
 eui64_hostton
 eui64_ntoa
 eui64_ntohost
+exect
+execvP
 explicit_bzero
 extattr_delete_fd
 extattr_delete_file

src/unix/bsd/freebsdlike/mod.rs

@@ -1772,6 +1772,17 @@ extern "C" {
         len: ::c_int,
     ) -> ::c_int;
     pub fn reboot(howto: ::c_int) -> ::c_int;
+
+    pub fn exect(
+        path: *const ::c_char,
+        argv: *const *mut ::c_char,
+        envp: *const *mut ::c_char,
+    ) -> ::c_int;
+    pub fn execvP(
+        file: *const ::c_char,
+        search_path: *const ::c_char,
+        argv: *const *mut ::c_char,
+    ) -> ::c_int;
 }
 
 #[link(name = "rt")]