int checkboard (void)
{
char str[64];
- int i = getenv_r ("serial#", str, sizeof(str));
+ int i = getenv_f("serial#", str, sizeof(str));
unsigned char trans[16] = {0x0,0x8,0x4,0xc,0x2,0xa,0x6,0xe,
0x1,0x9,0x5,0xd,0x3,0xb,0x7,0xf};
unsigned char id1, id2, rev;