Print a katakana table to the stdout in the utf8 format.

utf8.c

/* Author: m039 <flam44 (at) gmail (dot) com> */

#include <stdio.h>

 				/* Code point ranges */
#define MINUSCULE	0x000d8	/*      0 to     7F  */
#define ALPHA		0x00251	/*     80 to    7FF  */
#define KATAKANA_NI	0x030A0	/*    800 to   FFFF  */
#define CLEF		0x1D11E	/*  10000 to 10FFFF  */

typedef unsigned int character;

void utf8(character ch, char **string) {
	char *src;
	
	if (*string == NULL) {
		return;
	}

	src = *string;	
	
	if (ch <= 0x7f) {
		src[0]	= ch;
		*string	+= 1;
	} else if (ch <= 0x0007ff) {
		src[0] = 0xc0 | (ch >>  6) & 0x1f;
		src[1] = 0x80 | (ch & 0x3f);
		*string	+= 2;		
	} else if (ch <= 0x00ffff) {
		src[0] = 0xe0 | (ch >> 12) & 0x0f;
		src[1] = 0x80 | (ch >>  6) & 0x3f;
		src[2] = 0x80 | (ch & 0x3f);
		*string	+= 3;				
	} else if (ch <= 0x10ffff) {
		src[0] = 0xf0 | (ch >> 18) & 0x07;
		src[1] = 0x80 | (ch >> 12) & 0x3f;		
		src[2] = 0x80 | (ch >>  6) & 0x3f;
		src[3] = 0x80 | (ch & 0x3f);
		*string	+= 4;						
	}
}

static char g_buffer[512];

void fill_with_codes(char *buffer) {
	char *p = buffer;

	utf8(MINUSCULE,		&p);
	utf8(ALPHA,		&p);
	utf8(KATAKANA_NI,	&p);
	utf8(CLEF,		&p);
	
	*p++ = '\n';
	*p++ = 0;	
}

#define KATAKANA	KATAKANA_NI

void fill_with_katakana(char *buffer) {
	int i, j;
	char *p = buffer;

	for (i = 0; i < 0x10; i++) {
		for (j = 0; j < 6; j++) {
			utf8(KATAKANA + i + 0x10 * j, &p);			
		}
		*p++ = '\n';
	}
	
	*p = 0;	
}

void main() {
	fill_with_katakana(g_buffer);
	printf(g_buffer);
}