AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
sighold sigrelse writev lstat uname tzset mkstemp \
getutent nl_langinfo mbtowc wcwidth)
AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
sighold sigrelse writev lstat uname tzset mkstemp \
getutent nl_langinfo mbtowc wcwidth)