Function: write-char
write-char is a function defined in print.c.
Signature
(write-char CHARACTER &optional PRINTCHARFUN)
Documentation
Output character CHARACTER to stream PRINTCHARFUN.
PRINTCHARFUN defaults to the value of standard-output (which see).
Source Code
// Defined in /usr/src/emacs/src/print.c
{
if (NILP (printcharfun))
printcharfun = Vstandard_output;
CHECK_FIXNUM (character);
PRINTPREPARE;
printchar (XFIXNUM (character), printcharfun);
PRINTFINISH;
return character;
}