Function Graph 0Basic Block 0Opcode: 55sub_8049c12:Opcode: 55push    ebpOpcode: 66 0f 7e f8movd    eaxxmm7Opcode: 31 44 24 04xor     dword [esp+0x4 {__return_addr}]eaxOpcode: 89 e5mov     ebpespOpcode: 83 ec 18sub     esp0x18 {var_1c}Opcode: 8b 45 08mov     eaxdword [ebp+0x8 {arg_4}]Opcode: 89 45 f8mov     dword [ebp-0x8 {var_c}]eaxOpcode: 81 7d f8 00 00 00 00cmp     dword [ebp-0x8 {var_c}]0x0Opcode: 0f 85 17 00 00 00jne     0x8049c4aBasic Block 1Opcode: 8b 45 f8mov     eaxdword [ebp-0x8 {var_c}]Opcode: 89 04 24mov     dword [esp {var_1c}]eaxOpcode: e8 7d 63 00 00call    sub_804ffd2Opcode: 05 01 00 00 00add     eax0x1Opcode: 89 04 24mov     dword [esp {var_1c}]eaxOpcode: e8 50 37 00 00call    sub_804d3b2Opcode: 89 45 f4mov     dword [ebp-0xc {var_10}]eaxOpcode: 3d 00 00 00 00cmp     eax0x0Opcode: 0f 85 17 00 00 00jne     0x8049c87Basic Block 2Opcode: 8d 05 ac 10 05 08lea     eax[data_80510ac]  {"Invalid username"}Opcode: 89 04 24mov     dword [esp {var_1c}]eaxOpcode: e8 91 fb ff ffcall    sub_80497d2Opcode: c6 45 ff 00mov     byte [ebp-0x1 {var_5}]0x0Opcode: e9 87 00 00 00jmp     0x8049cd1Basic Block 3Opcode: 8b 45 f4mov     eaxdword [ebp-0xc {var_10}]Opcode: 8b 4d f8mov     ecxdword [ebp-0x8 {var_c}]Opcode: 89 04 24mov     dword [esp {var_1c}]eaxOpcode: 89 4c 24 04mov     dword [esp+0x4 {var_18}]ecxOpcode: e8 59 61 00 00call    sub_804fdf2Opcode: 83 3d 1c 62 06 08 00cmp     dword [data_806621c]0x0Opcode: 89 45 f0mov     dword [ebp-0x10 {var_14}]eaxOpcode: 0f 84 17 00 00 00je      0x8049cc0Basic Block 4Opcode: 8d 05 81 0e 05 08lea     eax[data_8050e81]  {"calloc failed"}Opcode: 89 04 24mov     dword [esp {var_1c}]eaxOpcode: e8 54 fb ff ffcall    sub_80497d2Opcode: c6 45 ff 00mov     byte [ebp-0x1 {var_5}]0x0Opcode: e9 4a 00 00 00jmp     0x8049cd1Basic Block 5Opcode: 0f b6 45 ffmovzx   eaxbyte [ebp-0x1 {var_5}]Opcode: 83 c4 18add     esp0x18 {var_4}Opcode: 5dpop     ebpOpcode: 66 0f 7e f9movd    ecxxmm7Opcode: 31 0c 24xor     dword [esp {__return_addr}]ecxOpcode: c3retn    Basic Block 6Opcode: 8b 45 f4mov     eaxdword [ebp-0xc {var_10}]Opcode: a3 1c 62 06 08mov     dword [data_806621c]eaxOpcode: e8 65 fb ff ffcall    sub_8049832Opcode: c6 45 ff 01mov     byte [ebp-0x1 {var_5}]0x1Basic Block 7Opcode: a1 1c 62 06 08mov     eaxdword [data_806621c]Opcode: 89 04 24mov     dword [esp {var_1c}]eaxOpcode: e8 0c 34 00 00call    sub_804d0c2Opcode: c7 05 1c 62 06 08 00 00 00 00mov     dword [data_806621c]0x0