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C-Functions

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Last Updated: 17 July 2024

The scalbn() function in C is part of the standard math library math.h and is used to scale a floating-point number by an integral power of the base (2 raised to the expon...read more

Last Updated: 16 July 2024

The fdim() function in C is part of the standard math library math.h and is used to compute the positive difference between two floating-point numbers. This function is pa...read more

copysign() Function in C

Last Updated: 17 July 2024

The copysign() function in C is part of the standard math library math.h and is used to create a floating-point number that combines the magnitude of one number with the s...read more

C Language

C-Functions

C-Library

nextafter() Function in C

Last Updated: 17 July 2024

In C, the nextafter() is a standard library function that is used to find the next representable floating-point value after a given number in the direction of another spec...read more

C Language

C-Functions

C-Library

ilogb() Function in C

Last Updated: 18 July 2024

The ilogb() function in C is a part of the standard math library math.h. It is used to compute the binary exponent of a floating-point number, which is the exponent of the...read more

strncpy() Function in C

Last Updated: 05 August 2024

The strncpy() function in C is a predefined function in the string.h library used to copy a specified number of characters from one string to another. To use this function...read more

fclose() Function in C

Last Updated: 07 August 2024

In C language, fclose() is a standard library function used to close a file that was previously opened using fopen(). This function is the itegral part of the file handlin...read more

Last Updated: 08 January 2025

In C, memcmp() is a built-in function used to compare the given number of bytes of data pointed by two pointers passed as arguments. It returns an integer indicating wheth...read more

C Language

C-Functions

fwrite() in C

Last Updated: 08 January 2025

In C, fwrite() is a built-in function used to write a block of data from the program into a file. It can write arrays, structs, or other data to files but is especially de...read more

Last Updated: 08 January 2025

In C, rewind() is a built-in function used to reset the given file pointer to the beginning of a file allowing the read and write from the beginning once again in the prog...read more

Last Updated: 09 January 2025

In C, remove() is a standard library function is used to delete a file from the file system. It provides a simple way to manage files in the storage from a C program.Examp...read more

Last Updated: 14 January 2025

In C, gets() is a function used to read a line of input from standard input (stdin) into a character array. However, gets() has been deprecated since C11 and removed in la...read more

C Language

C-Functions

ferror() in C

Last Updated: 03 February 2025

In C, ferror() is a built-in function used to check errors in files during file operations. It provides a simple way to do file operations without any interruption in your...read more

Last Updated: 03 February 2025

In C, file handling errors can be handled using ferror() and feof() functions. But these error flags persists until they are cleared. clearerr() is a built-in function use...read more

Last Updated: 03 February 2025

In C, perror() is a built-in function used to display a custom text description of the error code, which is stored in the system variable errno.Example:C#include stdio.hin...read more

C Language

C-Functions

C-File Handling

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