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QuestionRe: ImageMagick++ - ErrorMissingDelegate at memorry location Pin
Jochen Arndt2-Mar-17 3:01
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AnswerRe: ImageMagick++ - ErrorMissingDelegate at memorry location Pin
Rajeev Raina2-Mar-17 6:28
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Randor 7-Mar-17 10:28
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QuestionWhat is the difference between turboc, visual studio and online compilers Pin
ArvindSai1-Mar-17 19:26
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AnswerRe: What is the difference between turboc, visual studio and online compilers Pin
Richard MacCutchan1-Mar-17 20:45
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GeneralRe: What is the difference between turboc, visual studio and online compilers Pin
ArvindSai1-Mar-17 23:33
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AnswerRe: What is the difference between turboc, visual studio and online compilers Pin
Jochen Arndt2-Mar-17 0:21
professionalJochen Arndt2-Mar-17 0:21 
That happens most likely when using non standard functions from compiler specific libraries (defined in corresponding header files). The Turbo-C and Microsoft compilers are only available for DOS resp. Windows and provide therefore some OS specific functions. Online compilers are usually not OS specific and will therefore only support standard C.

The C standard itself has also been changed with time. So recent compilers using a newer standard may issue warnings or errors for code that was tolerable with older standards. However, these compilers usually have an option to compile code using the C89/C90 standard.

A short overview of the C standard history:

  • K&R, 1978
  • ANSI C / C89, 1989
  • ISO C / C90, 1990; basically the same as C89
  • C99
  • C11


So C code conforming to the standards should compile with all compilers supporting that standard and when selecting an older standard if necessary.

But code conforming to the C standard is rather rare. Most code will use some OS specific functions like POSIX on Unix systems and the DOS specific functions with DOS/Windows compilers.
GeneralRe: What is the difference between turboc, visual studio and online compilers Pin
ArvindSai2-Mar-17 3:47
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AnswerRe: What is the difference between turboc, visual studio and online compilers Pin
leon de boer2-Mar-17 2:11
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GeneralRe: What is the difference between turboc, visual studio and online compilers Pin
ArvindSai2-Mar-17 2:18
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AnswerRe: What is the difference between turboc, visual studio and online compilers Pin
Munchies_Matt16-Mar-17 6:24
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QuestionHow can I pass macros with commas into other macros? Pin
arnold_w1-Mar-17 7:38
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AnswerRe: How can I pass macros with commas into other macros? Pin
Richard MacCutchan1-Mar-17 8:57
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AnswerRe: How can I pass macros with commas into other macros? Pin
leon de boer1-Mar-17 16:44
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Questionsha code Pin
Member 118556971-Mar-17 2:10
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AnswerRe: sha code Pin
Afzaal Ahmad Zeeshan1-Mar-17 2:21
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Jochen Arndt1-Mar-17 2:40
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QuestionRe: sha code Pin
David Crow1-Mar-17 4:16
David Crow1-Mar-17 4:16 
QuestionRegGetValue and SHRegGetValue Pin
ForNow28-Feb-17 16:04
ForNow28-Feb-17 16:04 
QuestionRe: RegGetValue and SHRegGetValue Pin
Richard MacCutchan28-Feb-17 21:37
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AnswerRe: RegGetValue and SHRegGetValue Pin
Randor 7-Mar-17 10:31
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QuestionReading from a file in C++ Windows Application Forms Pin
Member 1300044128-Feb-17 3:59
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AnswerRe: Reading from a file in C++ Windows Application Forms Pin
Richard MacCutchan28-Feb-17 6:27
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