00403720  /.  55            PUSH EBP                                 ;  MSVCR80.printf
00403721  |.  89E5          MOV EBP,ESP
00403723  |.  53            PUSH EBX
00403724  |.  56            PUSH ESI
00403725  |.  57            PUSH EDI
00403726  |.  8B45 10       MOV EAX,[ARG.3]
00403729  |.  8B75 0C       MOV ESI,[ARG.2]
0040372C  |.  8B4D 08       MOV ECX,[ARG.1]
0040372F  |>  0FB611        /MOVZX EDX,BYTE PTR DS:[ECX]
00403732  |.  0FB63E        |MOVZX EDI,BYTE PTR DS:[ESI]
00403735  |.  85FF          |TEST EDI,EDI
00403737  |.  0F85 08000000 |JNZ Compare.00403745
0040373D  |.  8B75 0C       |MOV ESI,[ARG.2]
00403740  |.^ E9 EAFFFFFF   |JMP Compare.0040372F
00403745  |>  31FA          |XOR EDX,EDI
00403747  |.  8811          |MOV BYTE PTR DS:[ECX],DL
00403749  |.  83C1 01       |ADD ECX,1
0040374C  |.  83C6 01       |ADD ESI,1
0040374F  |.  83C0 FF       |ADD EAX,-1
00403752  |.  85C0          |TEST EAX,EAX
00403754  |.^ 0F85 D5FFFFFF \JNZ Compare.0040372F
0040375A  |.  5F            POP EDI
0040375B  |.  5E            POP ESI
0040375C  |.  5B            POP EBX
0040375D  |.  5D            POP EBP
0040375E  \.  C3            RETN