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Can we write a c prog without #include?
navin_chand
- Mar 25th, 2007
You need not write #include, but at the time of compilation you need to compile with options which direct compiler to include files in the provided directory. in gcc it is done by -I option.
sudarshanpv
- Feb 6th, 2007
Hi,If you use any library function then only you need to mention explicitly.......
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">Main(){ int x=5; clrscr(); for(;x==0;x--) { printf("x=%dn”", x--); }}
A) none of the aboveB) 0, 1, 2, 3, 4C) 1, 2, 3, 4, 5D) 4, 3, 2, 1, 0Explanation: prints nothing, as condition x==0 is False
dasam
- Mar 30th, 2007
It printfs nothing .. since the condition x==0 never satisfies and the for loop never executes :)
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char *s2 = "world";
char *s3 = strcat(s1, s2);
Please provide me explainations??">What is wrong with the following c prog??char *s1 = "hello";char *s2 = "world";char *s3 = strcat(s1, s2);Please provide me explainations??
dasam
- Mar 31st, 2007
Friends, the return value of strcat is not void, it is char*. please see the below line ..char * strcat(char * s1, const char * s2);Thanks :)
UMESH RAM
- Sep 7th, 2006
HI ARTHUR , i m agree with ur ans.strcat doesn't return any char datatypeand constant string cant change its value.
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Whats is structure padding?Say a given structureStruct{int a;char c;float d;}the size of structure is 7 here.But structure padding is done what will be the size of the struct?Will it change and how?How to avoid this?is it necessary?
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How, multidimensional array initilized dynaminically?
dasam
- Apr 2nd, 2007
A) int **array1 = (int **)malloc(nrows * sizeof(int *)); for(i = 0; i < nrows; i++) array1[i] = malloc(ncolumns * sizeof(int));b) int (*array4)[NCOLUMNS] = malloc(nrows * sizeof(*array4));c) int (*array5)[NROWS][NCOLUMNS] = malloc(sizeof(*array5));
Bond
- Feb 18th, 2007
#define ROW 5 //Some value#define COL 4 //Some valueint main(){ int **a; a = (int *)malloc(sizeof(i...
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Lint is 1. a C compiler 2. an inter-active debugger 3. a C interpreter 4. a tool for analyzing a C program
dasam
- Apr 2nd, 2007
Lint was the name given to a tool flagged suspicious and non-portable constructs (ie, likely to be bugs) in C language source code. Ans is 4} tool for analysing c program
gaurav_gangwar9
- Mar 17th, 2007
I think ans is 4, as? this is used for analysing source code, However it can be used for flagging bugs
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What is true about the following C FunctionsA. Need not return any valueB. Should always return an integerC. Should always return a floatD. Should always return more than one value
laxmikanth
- Feb 10th, 2006
though the default scope is integer there is no compulsion that we should return an integer and we know that a void function can't return a value by using return statement.at the same time a void func...
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How to reverse all the no using a single link list.
richashubham
- Apr 28th, 2007
Let list be the pointer pointing to the list.Take 3 pointers.struct node{ int data; struct node * next;}struct node * rever...
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How can you handle multithreading in c programming?
scott
- May 8th, 2007
For handling multithreading in c programming the two common libraries that is mainly used are LIBCMT.LIB and MSVCRT.LIB. The compiler must be ensured about the usage of these libraries while implementing multithreading in c programming.
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What is the difference between the function pointer and pointer to a function
Robert
- May 8th, 2007
Pointers to functions concept is used in C programming language in various instances. One of the common instance in which programmers use pointers to function concept is for passing pointers to a func...
sripri
- May 8th, 2007
Function pointers are actually pointers. The address of a function gets pointed to by function pointer.Example of defining a function pointer is as below:int (*exforsys)(int,float)= NULL;
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C Interview Questions
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