char * 与 unsigned char * 问题

#include 

#include 

#define IN

#define OUT

typedef unsigned char BYTE;

static void sTringToChar(IN BYTE * pbIn, OUT BYTE * pbOut)

{

 BYTE bvar,foo;

 BYTE temp1,temp2;

 strupr(pbIn);

 bvar = strlen(pbIn);

 for(foo = 0; foo < (bvar >> 1); ++foo)

 {

 // *(pbOut + foo) = ( ( (*(pbIn + foo * 2) - 0x30) << 4) | ( (*(pbIn + foo * 2 + 1) - 0x30) ) ) ;

 if(*(pbIn + foo * 2) < 'A' )

 temp1 = (*(pbIn + foo * 2) - 0x30) << 4;

 else

 temp1 = ( (*(pbIn + foo * 2) - 0x41) + 0x0A) << 4;

 if(*(pbIn + foo * 2 + 1) < 'A' )

 temp2 = *(pbIn + foo * 2 + 1) - 0x30;

 else

 temp2 = (*(pbIn + foo * 2 + 1) - 0x41) + 0x0A;

 *(pbOut + foo) = temp1 | temp2;

 }

}

int main(void)

{

 char foo;

 char * pcmd = "00A404000E315041592E5359532E4444463031";

 char btemp[19] = {0};

// BYTE btemp[19] = {0};

 sTringToChar(pcmd, btemp);

 for(foo = 0; foo < 19; ++foo)

 printf("the btmep is %02x\n",btemp[foo]);

 return 0;

}

/*

int main(void)

{

 char temp[4] = {0};

 BYTE var = (0x01 << 4);

 temp[0] = var;

 printf("the temp is %02x\n",temp[0]);

}

*/

输出

将

 char btemp[19] = {0};
改为 BYTE  btemp[19] = {0};后正常