The sizeof is a keyword, but it is a compile-time operator that determines the size, in bytes, of a variable or data type. The sizeof operator can be used to get the size of classes, structures, unions and any other user defined data type. The syntax of using sizeof is as follows â. I recently had an assignment that asked us to restrict the amount of characters a user can enter for his or her name. My professor said this is useful in the event that your program is being 'attacked.' The simplest solution was to use C strings.
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Last update: 27/09/2000
Returns the length of the C string str. The length of a C string is determined by the terminating null-character: A C string is as long as the number of characters between the beginning of the string and the terminating null character (without including the terminating null character itself). This should not be confused with the size of the array that holds the string. OnlineGDB is online IDE with C compiler. Quick and easy way to compiler c program online. It supports g compiler for c.
1. When I compile my dos program and execute it,Dev-C++ minimizes and then restore in a second but nothingappears ? 1.When I compile my dos program and execute it, Dev-C++ minimizesand then restore in a second but nothing appears ? 2.When executing my dos program, it closes automatically. How I canchange this ?
4.When I launch Dev-C++ i get the message saying âWININET.DLLnot foundâ ? 5.When I compile a file, I get a message saying 'could notfind <filename> ' 6.The EXE files created are huge. What can i do to reduce the size? 7.Under Windows NT, every time i launch Dev-C++ i get the messageâFailed to set data forâ 8.when I try to compile I get: ld: cannot open crt2. o: No suchfile or directory. What can i do ? If this stilldoesn't work, try copying the file Libcrt2.o to your Dev-C++'sBin directory. 9.How can i use the OpenGL library and others ?
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10.When i compile a file that contains references to Windowsfilename (like <Mydirmyfile.h>), i get a 'unrecognizedescape sequence' message ? The Mingw compilerunderstands paths in the Unix style (/mydir/myfile.h). Tryreplacing the in the filename by / 11.Is there any GUI library or packages available for Dev-C++ ? You can downloadextra packages for Dev-C++ at http://www.bloodshed.net/dev/ 12.I am having problems using Borland specific functions such asclrscr() Include conio.h toyour source, and add C:Dev-C++Libconio.o to 'FurtherObject Files' in Project Options (where C:Dev-C++ is whereyou installed Dev-C++) 13.The toolbars icons are showing incorrectly. On some screenresolutions, toolbars icons may show up incorrectly. You shouldtry changing your screen resolution, or disable toolbars from theView menu in Dev-C++ 14. It seems i've found a problem/bug thatis not specified here. What should i do ? Dev C++ 4.9.9.2 DownloadFirst, you shouldtry doing a 'Check for Dev-C++ update' (in Help menu)to know if a new version has come that may correct this problem.If there are no new version or the problem wasn't fixed thenplease send an email describing the bug to : [email protected]
15.When attempting to create a setup program, i get the error'File BinSetup.exe not found'.
If you arewilling to use the Setup Creator feature of Dev-C++, you need to download and install thisfile
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16.How to use assembly with Dev-C++ ?
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The assembler uses AT&T (notIntel). Here's an example of such a syntax :
// 2 global variables int AdrIO ; static char ValIO ; void MyFunction(.....) { __asm('mov %dx,_AdrIO') ; // loading 16 bits register __asm('mov %al,_ValIO') ; // loading 8 bits register /* Don't forget the underscore _ before each global variable names ! */ __asm('mov %dx,%ax') ; // AX --> DX } Comments are closed.
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