File: printer_function_with_indentation.k

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kimwitu-doc 10a-3
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#include <stdio.h>
#include "unpk.h"
static indent=0;

void printer(char *s, uview v) {
    char c; int j;

    while(c=*s++) {
	if (c!='%') putchar(c);
	else switch(c=*s++) {
	case 'b':	indent--; break;
	case 't':	indent++; break;
	case 'n':	putchar('\n');
			for (j=indent; j>0; j--) putchar('\t');
			break;
	case '\0':	return;
	default:	putchar(c);
}}}