LOGIN_NAME_MAX - Haiku

Symbol: LOGIN_NAME_MAX

src/system/libroot/posix/unistd/conf.cpp

return LOGIN_NAME_MAX;

src/system/libroot/posix/unistd/getlogin.cpp

if (strnlen(pw->pw_name, LOGIN_NAME_MAX) >= nameSize)

src/system/libroot/posix/unistd/getlogin.cpp

strlcpy(name, pw->pw_name, LOGIN_NAME_MAX);