进制转换函数

#define TOLOWER(x) ((x) | 0x20) 

#define isxdigit(c) (('0' <= (c) && (c) <= '9') || ('a' <= (c) && (c) <= 'f') || ('A' <= (c) && (c) <= 'F'))

#define isdigit(c) ('0' <= (c) && (c) <= '9') 



//bin2str(signret,out,strlen(signret),16); 转换为16进制

//last char of in must be 0x00

void bin2str(unsigned char* in,char* out,int size,int base)

{

	unsigned char* pt1 = in;

	char* pt2 = out;

	do

	{
        pt2 += sprintf(pt2,"%02X",*pt1++);

		size--;

	}while(*pt1 && size);

}

void bin2str(unsigned char* in,char* out,int size)
{

	unsigned char* pt1 = in;
    int i=0;
	char* pt2 = out;
    while(i=0;i