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C Interview Questions
Questions Answers Views Company eMail

what is the difference between. system call and library function?

CDAC, Satyam,

2 20442

struct ptr { int a; char b; int *p; }abc; what is d sizeof structure without using "sizeof" operator??

Verifone,

9 16022

what is diff b/w huge & far & near pointer??

HCL,

1 4417

write a function for strtok()??

Verifone,

2 10292

what is the output of the following program and explain the answer #include exp() { main(5) } main(int a) { printf("%d",a); return; }

Satyam,

3 7171

what is difference b/w extern & volatile variable??

Teleca,

6 15141

what is the differnce between programing langauge and tool? is sas is a programing langauge r tool?

Gamesa, Satyam,

2389

design and implement a program that reads floating-points numbers in a sentinel-controlled loop until the user terminates the program by entering zero.your program should determinate and print the smallest,largest and average of the supplied numbers.

2 6189

i want to have a program to read a string and print the frequency of each character and it should work in turbo c

Persistent, Wipro,

3 9253

here is a link to download Let_Us_C_-_Yashwant_Kanetkar

Microsoft,

3 11300

How do you write a program which produces its own source code as its output?

2 5595

what is the importance of spanning tree?

2031

How to reverse a string using a recursive function, with swapping?

5 8946

How to Clear last bit if it 1 using Macro TURN_OFF_BIT_LAST

Adobe, Huawei,

6 11774

what is pointer

TCS,

1 5085


Post New C Questions

Un-Answered Questions { C }

Is there any data type in c with variable size?

1103


Can we assign string to char pointer?

1113


Disadvantages of C language.

1108


Can we use any name in place of argv and argc as command line arguments?

1075


The purpose of this exercise is to benchmark file writing and reading speed. This exercise is divided into two parts. a). Write a file character by character such that the total file size becomes approximately >10K. After writing close the file handler, open a new stream and read the file character by character. Record both times. Execute this exercise at least 4 times b). Create a buffer capable of storing 100 characters. Now after generating the characters, first store them in the buffer. Once the buffer is filled up, store all the elements in the file. Repeat the process until the total file size becomes approximately >10K.While reading read a while line, store it in buffer and once buffer gets filled up, display the whole buffer. Repeat the exercise at least 4 times with different size of buffer (50, 100, 150 …). Records the times. c). Do an analysis of the differences in times and submit it in class.

2081


State two uses of pointers in C?

1063


What is difference between far and near pointers?

1043


c program for searching a student details among 10 student details

2093


Explain enumerated types.

1035


Create a structure to specify data on students given below: Roll number, Name, Department, Course, Year of joining Assume that there are not more than 450 students in the college. 1.write a function to print names of all students who joined in a particular year 2.write a function to print the data of a student whose roll number is given

3064


What is #include cctype?

1123


Can include files be nested?

1111


What are the ways to a null pointer can use in c programming language?

1137


Can you pass an entire structure to functions?

1126


what is use of malloc and calloc?

1904