forked from KolibriOS/kolibrios
322 lines
5.0 KiB
C
322 lines
5.0 KiB
C
//------------------------------------------------------------------------------
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// strcmp( ESI, EDI)
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// strlen( EDI)
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// strcpy( EDI, ESI)
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// strcat( EDI, ESI)
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// strchr( ESI,BL)
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// strrchr( ESI,BL)
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// strstr( EBX, EDX)
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// itoa( ESI)
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// atoi( EAX)
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// strupr( ESI)
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// strlwr( ESI)
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// strtok( ESI)
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//------------------------------------------------------------------------------
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inline fastcall signed int strcmp( ESI, EDI)
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{
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loop()
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{
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IF (DSBYTE[ESI]<DSBYTE[EDI]) RETURN -1;
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IF (DSBYTE[ESI]>DSBYTE[EDI]) RETURN 1;
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IF (DSBYTE[ESI]=='\0') RETURN 0;
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ESI++;
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EDI++;
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}
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}
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inline fastcall signed int strncmp( ESI, EDI, ECX)
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{
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asm {
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MOV EBX, EDI
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XOR EAX, EAX
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MOV EDX, ECX
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OR ECX, ECX
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JE L1
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REPNE SCASB
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SUB EDX, ECX
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MOV ECX, EDX
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MOV EDI, EBX
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XOR EBX, EBX
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REPE CMPSB
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MOV AL, DSBYTE[ ESI-1]
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MOV BL, DSBYTE[ EDI-1]
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SUB EAX, EBX
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L1:
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}
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}
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/*
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inline fastcall signed int strcmpi( ESI,EDI)
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uses EBX
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{
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do{
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$lodsb
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IF(AL>='a')&&(AL<='z')AL-=0x20;
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BL=DSBYTE[(E)DI];
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IF(BL>='a')&&(BL<='z')BL-=0x20;
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AL-=BL;
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IF(!ZEROFLAG)BREAK;
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(E)DI++;
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}while(BL!=0);
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}
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inline char STRNCMPI((E)SI,(E)DI,(E)CX)
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{
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(E)AX=0;
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LOOPNZ((E)CX){
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$lodsb
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IF(AL>='a')&&(AL<='z')AL-=0x20;
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AH=DSBYTE[EDI];
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IF(AH>='a')&&(AH<='z')AH-=0x20;
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EDI++;
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IF(AL==0)||(AH==0)||(AL!=AH)BREAK;
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}
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AL=AL-AH;
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}*/
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inline fastcall unsigned int strlen( EDI)
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{
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$xor eax, eax
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$mov ecx, -1
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$REPNE $SCASB
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EAX-=2+ECX;
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}
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inline fastcall strcpy( EDI, ESI)
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{
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$cld
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l2:
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$lodsb
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$stosb
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$test al,al
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$jnz l2
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}
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inline fastcall strcat( EDI, ESI)
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{
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asm {
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mov ebx, edi
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xor ecx, ecx
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xor eax, eax
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dec ecx
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repne scasb
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dec edi
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mov edx, edi
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mov edi, esi
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xor ecx, ecx
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xor eax, eax
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dec ecx
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repne scasb
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xor ecx, 0ffffffffh
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mov edi, edx
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mov edx, ecx
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mov eax, edi
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shr ecx, 2
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rep movsd
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mov ecx, edx
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and ecx, 3
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rep movsb
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mov eax, ebx
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}
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}
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char buffer[11];
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inline fastcall dword itoa( ESI)
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{
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$mov edi, #buffer
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$mov ecx, 10
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$test esi, esi
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$jns f1
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$mov al, '-'
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$stosb
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$neg esi
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f1:
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$mov eax, esi
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$push -'0'
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f2:
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$xor edx, edx
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$div ecx
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$push edx
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$test eax, eax
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$jnz f2
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f3:
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$pop eax
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$add al, '0'
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$stosb
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$jnz f3
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$mov eax, #buffer
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$ret
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}
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inline fastcall dword atoi( EDI)
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{
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//ESI=EDI=EAX;
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ESI=EDI;
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IF(DSBYTE[ESI]=='-')ESI++;
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EAX=0;
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BH=AL;
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do{
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BL=DSBYTE[ESI]-'0';
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EAX=EAX*10+EBX;
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ESI++;
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}while(DSBYTE[ESI]>0);
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IF(DSBYTE[EDI]=='-') -EAX;
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}
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inline fastcall unsigned int strchr( ESI,BL)
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{
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int jj=0;
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do{
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jj++;
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$lodsb
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IF(AL==BL) return jj;
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} while(AL!=0);
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}
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inline fastcall unsigned int strrchr( ESI,BL)
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{
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int jj=0, last=-1;
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do{
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jj++;
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$lodsb
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IF(AL==BL) last=jj;
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} while(AL!=0);
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return last;
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}
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inline fastcall strupr( ESI)
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{
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do{
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AL=DSBYTE[ESI];
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IF(AL>='a')IF(AL<='z')DSBYTE[ESI]=AL&0x5f;
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ESI++;
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}while(AL!=0);
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}
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inline fastcall strlwr( ESI)
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{
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do{
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$LODSB
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IF(AL>='A')&&(AL<='Z'){
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AL+=0x20;
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DSBYTE[ESI-1]=AL;
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CONTINUE;
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}
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}while(AL!=0);
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}
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inline fastcall unsigned int strstr( EBX, EDX)
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{
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asm {
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mov edi, edx
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xor ecx, ecx
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xor eax, eax
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dec ecx
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repne scasb
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not ecx
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dec ecx
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je ls2
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mov esi, ecx
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xor ecx, ecx
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mov edi, ebx
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dec ecx
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repne scasb
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not ecx
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sub ecx, esi
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jbe ls2
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mov edi, ebx
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lea ebx, DSDWORD[ esi-1]
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ls1: mov esi, edx
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lodsb
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repne scasb
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jne ls2
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mov eax, ecx
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push edi
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mov ecx, ebx
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repe cmpsb
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pop edi
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mov ecx, eax
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jne ls1
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lea eax, DSDWORD[ edi-1]
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jmp short ls3
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ls2: xor eax, eax
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ls3:
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}
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}
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/* strtok( LPSTR dest, src, divs);
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src - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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dest - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
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divs - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 0, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
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<20><> 0, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> dest (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> src <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) */
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dword fastcall strtok( EDX, ESI, EBX)
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{
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asm {
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XOR ECX, ECX
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MOV EDI, EBX
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XOR EAX, EAX
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DEC ECX
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REPNE SCASB
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XOR ECX, 0FFFFFFFFH
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DEC ECX
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PUSH ECX
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L1: LODSB
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OR AL, AL
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JZ L4
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MOV EDI, EBX
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MOV ECX, SSDWORD[ ESP]
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REPNE SCASB
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JZ L1
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DEC ESI
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L2: LODSB
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MOV EDI, EBX
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MOV ECX, SSDWORD[ ESP]
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REPNE SCASB
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JZ L3
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MOV DSBYTE[ EDX], AL
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INC EDX
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JMP SHORT L2
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L3: MOV EAX, ESI
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L4: POP ECX
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} DSBYTE[ EDX] = 0;
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}
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#define strncpy strcpyn
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#define strnmov strmovn
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#define stricmp strcmpi
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#define strcmpn strncmp
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#define strncmpi strcmpni
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#define stricmpn strcmpni
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#define strnicmp strcmpni
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#define strincmp strcmpni
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#define strcmpin strcmpni |