The toupper function C programming converts a lowercase letter to a corresponding uppercase letter. In the default “C” locale, a lowercase letter is any of:a b c d e f g h i j k l m n o p q r s t u v w x y z.
The assert keyword is used to perform an expression as a function parameter, and it evaluates it during memory allocation. So we can use the malloc() method to write and evaluate expressions on the variable. If the expression evaluation fails or returns the Boolean value as false, the same ...
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...
Example 9 – Using the PRODUCT Function to Multiply Two or More Outputs of the VLOOKUP Function We can use the PRODUCT function along with the VLOOKUP Function. Steps: In cell E5, enter the following formula: =PRODUCT(VLOOKUP(H5,$B$5:$C$12,2,0), VLOOKUP(H5,$E$5:$F$12,2,0)) ...
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...
The clock function in C returns the processor time used by the program since the start of its execution. The returned value is in clock ticks, and to convert it to seconds, you can use the CLOCKS_PER_SEC constant. The clock function’s syntax is straightforward: clock_t clock(void); ...
12 C 13 D 14 E 15 F 16 10 17 11 2. Syntax DEC2HEX(number, [places]) 3. Arguments number Required. The decimal integer you want to convert. [places] Optional. The number of characters to use. If not entered the function uses the number of characters needed to complete the task. Th...
Decimal Base 10 0-9 General everyday use Octal Base 8 0-7 Older computer systems Binary Base 2 0,1 Modern computer processing Hexadecimal Base 16 0-9, A-F Computer memory addresses Is there a function that converts from the decimal system to any numeral system? Yes, the BASE function ...
If you want to learn more about the c language, here 10 Free days (up to 200 minutes)C video coursefor you. Access the methods from the DLL: If you are using DLL in your application( windows), then you have to use the function pointer. I have already written an article on how to...
Example 1: How to use the INDIRECT function in a single sheet of Excel: Step 1:Open Excel and create a new or existing workbook where you want to use the INDIRECT function. Step 2:Let’s enter some data into the following Cells A1 to A3: ...