What is realloc in c?
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What are the disadvantages of c language?
What are the uses of a pointer?
Write a c program to print the sizes and ranges of different data types in c?
In c programming typeing to occupy the variables in memory space. if not useing the variable the memory space is wasted.ok, how to avoid the situation..? (the variable is used & notused)
Is it better to use a macro or a function?
write a program that declares an array of 30 elements named "income" in the main functions. then cal and pass the array to a programmer-defined function named "getIncome" within the "getIncome" function, ask the user for annual income of 30 employees. then calculate and print total income on the screen using the following function: "void getIncome ( ai []);
What is the Purpose of 'extern' keyword in a function declaration?
Explain high-order and low-order bytes.
34.what are bitwise shift operators? 35.what are bit fields? What is the use of bit fields in a structure declaration? 36.what is the size of an integer variable? 37.what are the files which are automatically opened when a c file is executed? 38.what is the little endian and big endian? 39.what is the use of fflush() function? 40.what is the difference between exit() and _exit() functions? 41.where does malloc() function get the memory? 42.what is the difference between malloc() and calloc() function? 43.what is the difference between postfix and prefix unary increment operators?
how to display 2-D array elements in spiral
a number whose only prime factors are 2,3,5, and 7 is call humble number,,write a program to find and display the nth element in this sequence.. sample input : 2,3,4,11,12,13, and 100.. sample output : the 2nd humble number is 2,the 3rd humble number is 3,the 4th humble number is ,the 11th humble number is 12, the 12th humble number is 14, the 13th humble number is 15, the 100th humble number is 450.
Which header file should you include if you are to develop a function which can accept variable number of arguments?
C 
