Use thegetcharFunction to Read String Input in C This article will demonstrate multiple methods about how to use thegetcharfunction in C. Thegetcharfunction is part of standard input/output utilities included in the C library. There are multiple functions for character input/output operations like...
Use thegetnameinfoFunction to IP Address to Host Name in C Thegetnameinfofunction is used in conjunction withgetaddrinfoin this case, and it retrieves the hostnames for corresponding IP addresses. Notice that we process the user input from the first command-line argument and pass it as theget...
In this article, we are going to discuss how to use the mmap() function in Linux. So, let’s get started. Header File: #include <sys/mman.h> Syntax: void * mmap (void *address, size_t length, int protect, int flags, int filedes, off_t offset) Arguments: The function takes ...
The isalpha function in C programming checks whether the argument passed is an alphabetic character (a to z and A-Z) or not.
C program to understand the working of toupper function: Consider the below code where I am passing different characters in the toupper function. You can see the output of this function with different characters. #include <stdio.h> #include <ctype.h> ...
Let’s now look at some examples, to understand this function better. We’ll also be usingfork()along withexecvp(), so that we can still have our C program with us! Using execvp() in C / C++ - Some Examples If you want to see what exactly happens if you try to useexecvp()withou...
If we are unable to use the assert() function, we must be disabled, so ndebug should be defined. It was decided to declare it using #define NDEBUG code; otherwise, the code compilation should pass. -NDEBUG in the code. The code compilation will pass -DNDEBUG to disable the assert() fu...
In the output Cell E5, insert the following formula: =IF(D5>=C5,"Achieved","Not Achieved") Press Enter and use the Fill Handle to autofill the entire column. Method 2 – Using the IF Function to Return Calculated Results Steps: Select Cell E5 and copy the following formula into it:...
This article discusses thefread()function in C programming language and the way to use it in the program. fread() Function in C Language Thefread()function requires three arguments: the pointer to an array, the size of each element from the array pointer, and the number of elements to rea...
Enter the formula in D5. =MAX(INDIRECT(C5&"!C5:C9")) Press Enter. You’ll get the value for the first day. Apply the formula to the next output cell to see the maximum amount on the second day. Read More: How to Use the INDIRECT Function to Get Values from Different Sheet in ...