eax            0x53	83
ecx            0xb39e78a8	-1281460056
edx            0x0	0
ebx            0xb39e78a8	-1281460056
esp            0xb438b6d8	0xb438b6d8
ebp            0xb438b6e4	0xb438b6e4
esi            0xb438b794	-1271351404
edi            0xb438b794	-1271351404
eip            0xb39987e9	0xb39987e9 <toupper_w+25>
eflags         0x10282	[ SF IF RF ]
cs             0x73	115
ss             0x7b	123
ds             0x7b	123
es             0x7b	123
fs             0x0	0
gs             0x33	51