userlib.err

The firmware test code for s3c2440

"Userlib.c", line 48: Warning: C2870W: variable 'i' declared but not used
"Userlib.c", line 61: Warning: C2207W: inventing 'extern int Uart_GetString();'
"Userlib.c", line 187: Warning: C2207W: inventing 'extern int isalpha();'
"Userlib.c", line 189: Warning: C2207W: inventing 'extern int isupper();'
"Userlib.c", line 231: Warning: C2870W: variable 'ch' declared but not used
"Userlib.c", line 231: Warning: C2870W: variable 'exec_cmd' declared but not used
"Userlib.c", line 231: Warning: C2870W: variable 'cnt' declared but not used
"Userlib.c", line 306: Warning: C2870W: variable 'tmps' declared but not used
"Userlib.c", line 306: Warning: C2870W: variable 'itmp' declared but not used
"Userlib.c", line 336: Warning: C2870W: variable 'string' declared but not used
"Userlib.c", line 468: Warning: C2917W: no side effect in void context: 'unary *<expr>'
"Userlib.c", line 499: Warning: C2917W: no side effect in void context: 'unary *<expr>'
Userlib.c: 12 warnings, 0 errors, 0 serious errors