itoa.c

来自「FAT16 Filesystem on Philips LPC2000 seri」· C语言 代码 · 共 25 行

#include <stdc.h>

static char itoaStr [MAXSTRINGLEN+1];

static void numToStr (int n)
{
int i;
int len;
	if ((i = n / 10) != 0) numToStr (i);
	len = strlen(itoaStr);
	if (len < MAXSTRINGLEN) {
		itoaStr [len] = n % 10 + '0';
		itoaStr [len+1] = '\0';
	}
}

char * itoa (int n)
{
	itoaStr[0] = '\0';
	numToStr (n);
	return (char *) itoaStr;
}