what is printf() and scanf() in Clanguage

    what is printf() and scanf () roll in C language  ?
  • printf() and scanf() functions are inbuilt library functions in C programming language which are available in C library by default. These functions are declared and related macros are defined in “stdio.h” which is a header file in C language.
  • We have to include “stdio.h” file as shown in below C program to make use of these printf() and scanf() library functions in C language.
  • printf() and scanf() are basic function of C language. 

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