Question

Which header file is essential for using strcmp() function?

Answer 1

strings.h header file is necessary in order to carry out all the strings related functions. Here
strcmp() is a string function which is used to compare to strings.

In C language use #include<stdio.h> at the beginning of the file.



Thanks

Answer 2

string.h header file is essential for using strcmp() function

strcmp() header file

• A file having the extension. h is referred to as a header file, which contains common function declarations and macro definitions across many source files.
• The strcmp() is a built-in library function that is declared in the "string.h" header file.
• The string arguments are compared using this function. It lexicographically compares strings, which means it compares both strings character by character.