@section @code{putc}
@findex putc
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/putc.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/putc.html}
Gnulib module: stdio, sigpipe