C language isprint() function: determine whether a character is a printable character (including spaces)

Function name : isprint

Header file : <ctype.h>

Function prototype : int isprint(int ch);

Function : Determine whether the character is a printable character (including spaces)

Parameters : int ch character to be checked

Return value : If ch is not a printable character, 0 is returned. If ch is a printable character (including spaces), non-0 is returned.

Program example : Determine whether the entered characters are printable characters (including spaces)

 #include<ctype.h>#include<stdio.h>intmain(){charch;printf(inputacharacter:);scanf(%c,&ch);if(isprint(ch)){printf(%cisprintcharacter.,ch) ;}else{printf(%cisnotprintcharacter.,ch);}putchar('n');return0;}

Running results:

 inputacharacter:ggisprintcharacter.