isgraph() - Character Function

isgraph() is used to check if the argument is a graphical representation or character that can be printed except whitespace characters. If graphical representation are not found, the function returns zero.

Syntax:

Example :

#include <stdio.h> #include <ctype.h> int main() { if( isgraph( ' ' ) ) { printf( "Space is a graphic character\n" ); } else { printf("Space is not a graphic character\n"); } if( isgraph( 'C' ) ) { printf( "Character C is graph\n" ); } return 0; }

Result :
In the above example, this function is used to check space and "A". The Checking of the graphical representation has been made based on ASCII values.