specifier_user_name 400 src/core/unit-printf.c { 'U', specifier_user_name, NULL }, specifier_user_name 401 src/core/unit-printf.c { 'u', specifier_user_name, NULL }, specifier_user_name 141 src/shared/install-printf.c { 'U', specifier_user_name, NULL }, specifier_user_name 142 src/shared/install-printf.c { 'u', specifier_user_name, NULL },