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 Related Questions The register modifier hints to the compiler that the variable will be heavily used and should be kept in the CPU’s registers, if possible, so that it can be accessed faster. There are several restrictions Latest Answer : If a variable is defined by using register modifier it tells to the compiler that the variable is used repetedly and that variable executes fastly. Generally register variables are defined in loop counters. This variable stored in CPU registers and access ... Your C compiler library contains a low-level file function called sopen() that can be used to open a file in shared mode. Beginning with DOS 3.0, files could be opened in shared mode by loading a special By using the sopen() function you can open a file in shared mode and explicitly deny reading and writing permissions to any other program but yours. This task is accomplished by using the SH_DENYWR shared The use of an enumeration constant (enum) has many advantages over using the traditional symbolic constant style of #define. These advantages include a lower maintenance requirement, improved program There are times when it’s necessary to have a pointer that doesn’t point to anything. The macro NULL, defined in , has a value that’s guaranteed to be different from any valid Latest Answer : hi, Null pointer: When referring to computer memory, a null pointer is a command used to direct a software program or operating system to an empty location in the computer memory. Commonly, the null pointer is used to denote the ... Tags : Pointer What is a “null pointer assignment” error? What are bus errors, memory faults, and core dumps? These are all serious errors, symptoms of a wild pointer or subscript. Null pointer assignment is a message you might get when an MS-DOS program finishes executing. Some such programs can arrange for Tags : Pointer All the programs are tested under Turbo C/C++ compilers. It is assumed that, Programs run under DOS environment, The underlying machine is an x86 system, Program is compiled using Turbo C/C++ compiler.The program output may depend on the information based on this assumptions (for example sizeof(int) == 2 may be assumed). Predict the output or error(s) for the following:i) void main(){ int const * p=5; printf("%d",++(*p));} Answer: Compiler error: Cannot modify a constant value. Explanation: p is a pointer to a "constant integer". But we tried to change the value of the "constant integer". Linker Error : Undefined symbol '_i'Explanation: extern storage class in the following declaration, extern int i;specifies to the compiler that the memory Latest Answer : Extern is a kind of variable declaration,if we declare a variable as extern it can be accessable anywhere in the program.the accessing of the variable is doesn't depends on the scope.TahnkUAshok ... A) Runtime error. Access violationB) Compile error. Illegal syntaxC) None of the aboveD) Runtime errorExplanation: printf( ) prints address/garbage of i, scanf() dont have & sign, so scans address for Latest Answer : runtime error ... A) Gets into Infinite loopB) Compile error. Illegal syntaxC) None of the aboveD) Runtime error.Explanation: illegal syntax for using return Latest Answer : agree with above...return is not an expressionB) Compile error. Illegal syntax ...
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