What string function is used to convert a string into long value? This is done by using the function named as atol() . This function atol() is present in the header file named as stdlib.h. So when p...

How to convert a string into an integer in C program? This is done by using the function named as atoi(). This function atoi() is present in the header file named as stdlib.h. When programmers use...

What is the string handling functions present in header file string.h? There are number of string handling functions present in string.h. In other words if a programmer uses any of the function prese...

How to determine different positions of substrings within a string in C? There are numerous functions available in C to achieve the purpose of finding different positions of a substring with a string

What is the return value from printf() function printf function always returns the number of characters printed. Let us understand this with an example

Generally in C program the function definition and calling takes the form as given below:

When a variable is not initialized in main function it contains garbage value. This can be well seen from the example below

The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function. When a programmer wants other ...

Headers can be called by using extern C Syntax of extern C is: extern "C" function declaration for example to call C functions from C++ we can write