diff --git a/include/fast_io_driver/install_path/bsd.h b/include/fast_io_driver/install_path/bsd.h
index a0615fef..90b1e806 100644
--- a/include/fast_io_driver/install_path/bsd.h
+++ b/include/fast_io_driver/install_path/bsd.h
@@ -27,7 +27,7 @@ inline ::fast_io::install_path get_module_install_path()
 	char buffer1[PATH_MAX + 1];
 	char buffer2[PATH_MAX + 1];
 	char *resolved{};
-	int length = -1;
+	// int length = -1;
 
 #if defined(__NetBSD__)
 	int mib[4]{CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME};
diff --git a/include/fast_io_hosted/filesystem/nt_at.h b/include/fast_io_hosted/filesystem/nt_at.h
index 3be2375a..6a3c2de7 100644
--- a/include/fast_io_hosted/filesystem/nt_at.h
+++ b/include/fast_io_hosted/filesystem/nt_at.h
@@ -851,7 +851,7 @@ inline ::fast_io::details::basic_ct_string<char_type> nt_readlinkat_impl(void *d
 	::fast_io::basic_nt_family_file<(zw ? nt_family::zw : nt_family::nt), char> file{
 		nt_call_determine_kernel_callback(dirhd, path_c_str, path_size, kernel, nt_create_callback<zw>{md})};
 
-	throw_nt_error(0xC0000002);
+	throw_nt_error(0xC0000275u /*STATUS_NOT_A_REPARSE_POINT*/);
 
 	return {};
 #endif
diff --git a/include/fast_io_hosted/process/process/posix.h b/include/fast_io_hosted/process/process/posix.h
index 161b9bf2..ebe4c42b 100644
--- a/include/fast_io_hosted/process/process/posix.h
+++ b/include/fast_io_hosted/process/process/posix.h
@@ -8,6 +8,11 @@ namespace fast_io
 
 namespace posix
 {
+// The statement about argu[] and enopl] being constants is included to make explicit to future writers of language bindings that these objects are completely constant.
+// Due toa limitation of the ISOC standard, it is not possible to state that idea in standard C. Specifying two levels of const-qualification for the argol] and enopll
+// parameters for the exec functions may seem to be the natural choice, given that these functions do not modify either the array of pointers or the characters to which the
+// function points, but this would disallow existing correct code. Instead, only the array of pointers is noted as constant.
+
 #if defined(__DARWIN_C_LEVEL) || defined(__MSDOS__)
 extern int libc_fexecve(int fd, char *const *argv, char *const *envp) noexcept __asm__("_fexecve");
 extern int libc_execveat(int dirfd, char const *pathname, char *const *argv, char *const *envp, int flags) noexcept __asm__("_execveat");
@@ -763,7 +768,7 @@ inline void vfork_and_execveat(pid_t &pid, int dirfd, char const *cstr, char con
 		flags |= AT_SYMLINK_NOFOLLOW;
 	}
 
-	auto ret{::fast_io::posix::libc_execveat(dirfd, cstr, args, envp, flags)};
+	auto ret{::fast_io::posix::libc_execveat(dirfd, cstr, const_cast<char *const *>(args), const_cast<char *const *>(envp), flags)};
 	if (ret == -1)
 	{
 		t_errno = errno;
@@ -786,7 +791,7 @@ inline void vfork_and_execveat(pid_t &pid, int dirfd, char const *cstr, char con
 		flags |= AT_SYMLINK_NOFOLLOW;
 	}
 
-	auto ret{::fast_io::posix::libc_execveat(dirfd, cstr, args, envp, flags)};
+	auto ret{::fast_io::posix::libc_execveat(dirfd, cstr, const_cast<char *const *>(args), const_cast<char *const *>(envp), flags)};
 	if (ret == -1)
 	{
 		t_errno = errno;