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/* t1.c: main control and input switching */
#include "t.h"

#define MACROS "/sys/lib/tmac/tmac.s"
#define PYMACS "/sys/lib/tmac/tmac.m"

int main(int argc, char *argv[])
{
	char	line[5120];
	tabout = stdout;
	setinp(argc, argv);
	while (gets1(line, sizeof(line))) {
		fprintf(tabout, "%s\n", line);
		if (prefix(".TS", line))
			tableput();
	}
	if (tabin && tabin != stdin)
		fclose(tabin);
	return 0;
}


int	sargc;
char	**sargv;

void
setinp(int argc, char **argv)
{
	sargc = argc;
	sargv = argv;
	sargc--; 
	sargv++;
	if (sargc == 0 || swapin() == 0)
		tabin = stdin;
}


int
swapin(void)
{
	char	*name;
	while (sargc > 0 && **sargv == '-') {
		if (match("-ms", *sargv)) {
			*sargv = MACROS;
			break;
		}
		if (match("-mm", *sargv)) {
			*sargv = PYMACS;
			break;
		}
		if (match("-TX", *sargv))
			pr1403 = 1;
		if (match("-", *sargv))
			break;
		sargc--; 
		sargv++;
	}
	if (sargc <= 0) 
		return(0);
	/* file closing is done by GCOS troff preprocessor */
	if (tabin && tabin != stdin)
		fclose(tabin);
	ifile = *sargv;
	name = ifile;
	if (match(ifile, "-"))
		tabin = stdin;
	else
		tabin = fopen(ifile, "r");
	iline = 1;
	fprintf(tabout, ".ds f. %s\n", ifile);
	fprintf(tabout, ".lf %d %s\n", iline, name);
	if (tabin == 0)
		error("Can't open file");
	sargc--;
	sargv++;
	return 1;
}