4.1cBSD/usr/src/usr.lib/lib2648/SCCS/s.outchar.c

h62338

s 00045/00000/00000

d D 4.1 83/03/09 16:23:04 ralph 1 0

c date and time created 83/03/09 16:23:04 by ralph

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/*	%M%	%I%	%E%	*/

#include "2648.h"

outchar(c)
char c;
{
	extern int QUIET;
#ifdef TRACE
	if (trace)
		fprintf(trace, "%s", rdchar(c));
#endif
	if (QUIET)
		return;
	_outcount++;
	putchar(c);

	/* Do 2648 ^E/^F handshake */
	if (_outcount > TBLKSIZ && _on2648) {
#ifdef TRACE
		if (trace)
			fprintf(trace, "ENQ .. ");
#endif
		putchar(ENQ);
		fflush(stdout);
		c = getchar();
		while (c != ACK) {
			if (_pb_front == NULL) {
				_pb_front = _pushback;
				_pb_back = _pb_front - 1;
			}
			*++_pb_back = c;
#ifdef TRACE
			if (trace)
				fprintf(trace, "push back %s, front=%d, back=%d, ", rdchar(c), _pb_front-_pushback, _pb_front-_pushback);
#endif
			c = getchar();
		}
#ifdef TRACE
		if (trace)
			fprintf(trace, "ACK\n");
#endif
		_outcount = 0;
	}
}

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