_itoa

简介

整形转换为字元串 int--->char*

char*_itoa(intvalue,char*string,intradix);

value-----要转换的整形值

string-----转换后的字元串

radix------表示基数(2, 8, 10, 16)等进制基数

本函式与char * itoa(int, char *, int);相同

还有其他类似的转换函式

char *_i64toa(__int64value,char*string,intradix);

char*_ui64toa(unsigned_int64value,char*string,intradix);

wchar_t*_itow(intvalue,wchar_t*string,intradix);

wchar_t*_i64tow(__int64value,wchar_t*string,intradix);

wchar_t*_ui64tow(unsigned __int64value,wchar_t*string,intradix);

后三个为转换宽字元

eg:

#include <stdlib.h>

#include <stdio.h>

void main( void )

{

char buffer[20];

int i = 3445;

long l = -344115L;

unsigned long ul = 1234567890UL;

_itoa( i, buffer, 10 );

printf( "String of integer %d (radix 10): %s\n", i, buffer );