diff --git a/cd.sh b/cd.sh
index 351e2a5..1cc5a55 100644
--- a/cd.sh
+++ b/cd.sh
@@ -2,7 +2,7 @@
 
 set 'cd' 'rwx'
 
-function cd_main {
+cd_main () {
     cd_set_environment
     cd_write_environment
     cd_set_dns_resolving \
@@ -23,7 +23,7 @@ function cd_main {
     cd_bootstrap "${@}"
 }
 
-function cd_set_environment {
+cd_set_environment () {
     CD_DNS_FILE='/etc/resolv.conf'
     CD_ENV="$(mktemp)"
     case "${CD_OS_NAME}" in
@@ -83,7 +83,7 @@ function cd_set_environment {
     CD_PROJECT_URL="${CD_PROJECTS_URL}/${CD_PROJECT_NAME}"
 }
 
-function cd_write_environment {
+cd_write_environment () {
     cd_write "${CD_ENV}" "{
 \"project\": {
  \"branch\": \"${CD_PROJECT_BRANCH}\",
@@ -99,7 +99,7 @@ function cd_write_environment {
     cat "${CD_ENV}"
 }
 
-function cd_step {
+cd_step () {
     if [ "${1}" ] ; then
         CD_STEP=$((CD_STEP+1))
         echo "
@@ -108,7 +108,7 @@ function cd_step {
     fi
 }
 
-function cd_write {
+cd_write () {
 local file="${1}"
 local text="${2}"
     if [ "${file}" ] ; then
@@ -118,7 +118,7 @@ local text="${2}"
     fi
 }
 
-function cd_set_dns_resolving {
+cd_set_dns_resolving () {
 local server
 local text=''
     cd_step "${FUNCNAME}"
@@ -129,7 +129,7 @@ local text=''
     cd_write "${CD_DNS_FILE}" "${text}"
 }
 
-function cd_set_packages_repositories {
+cd_set_packages_repositories () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian')
@@ -144,7 +144,7 @@ deb https://deb.debian.org/debian-security bookworm-security main
     esac
 }
 
-function cd_set_packages_configuration {
+cd_set_packages_configuration () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian')
@@ -161,7 +161,7 @@ Dir::Etc::SourceParts \"\";
     esac
 }
 
-function cd_set_https_verification_off {
+cd_set_https_verification_off () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian')
@@ -173,7 +173,7 @@ Acquire::https::Verify-Peer False;
     esac
 }
 
-function cd_update_packages_catalog {
+cd_update_packages_catalog () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') apt-get update || exit ;;
@@ -181,7 +181,7 @@ function cd_update_packages_catalog {
     esac
 }
 
-function cd_install_package {
+cd_install_package () {
     if [ "${1}" ] ; then
         case "${CD_OS_NAME}" in
             'debian') apt-get install --yes "${1}" || exit ;;
@@ -190,7 +190,7 @@ function cd_install_package {
     fi
 }
 
-function cd_install_ca {
+cd_install_ca () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') cd_install_package 'ca-certificates' ;;
@@ -198,7 +198,7 @@ function cd_install_ca {
     esac
 }
 
-function cd_install_git {
+cd_install_git () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') cd_install_package 'git' ;;
@@ -206,7 +206,7 @@ function cd_install_git {
     esac
 }
 
-function cd_install_packages_tools {
+cd_install_packages_tools () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') cd_install_package 'apt-utils' ;;
@@ -214,7 +214,7 @@ function cd_install_packages_tools {
     esac
 }
 
-function cd_install_python {
+cd_install_python () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') cd_install_package 'python3' ;;
@@ -222,7 +222,7 @@ function cd_install_python {
     esac
 }
 
-function cd_set_https_verification_on {
+cd_set_https_verification_on () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') rm '/etc/apt/apt.conf.d/https' ;;
@@ -230,7 +230,7 @@ function cd_set_https_verification_on {
     esac
 }
 
-function cd_upgrade_packages {
+cd_upgrade_packages () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') apt-get upgrade --yes || exit ;;
@@ -238,7 +238,7 @@ function cd_upgrade_packages {
     esac
 }
 
-function cd_clean_packages_cache {
+cd_clean_packages_cache () {
     cd_step "${FUNCNAME}"
     case "${CD_OS_NAME}" in
         'debian') apt-get clean || exit ;;
@@ -246,7 +246,7 @@ function cd_clean_packages_cache {
     esac
 }
 
-function cd_install {
+cd_install () {
 local repository
 local root
     cd_step "${FUNCNAME}"
@@ -262,7 +262,7 @@ local root
     rm --force --recursive "${root}" || exit
 }
 
-function cd_bootstrap {
+cd_bootstrap () {
     cd_step "${FUNCNAME}"
     "${CD_PYTHON_COMMAND}" -m "${1}"
 }