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isgraph() C library function
The function isgraph() is used to check that the passed character has a graphical representation or not. It is declared in “ctype.h” header file.
Here is the syntax of isgraph() in C language,
int isgraph(int char);
Here is an example of isgraph() in C language,
Example
#include<stdio.h>
#include<ctype.h>
int main() {
int a = '
';
int b = '8';
int c = 's';
if(isgraph(a))
printf("The character has graphical representation
");
else
printf("The character isn’t having graphical representation
");
if(isgraph(b))
printf("The character has graphical representation
");
else
printf("The character isn’t having graphical representation");
if(isgraph(c))
printf("The character has graphical representation
");
else
printf("The character isn’t having graphical representation");
return 0;
}Output
The character isn’t having graphical representation The character has graphical representation The character has graphical representation
In the above program, Three variables are declared and initialized. These variables are checked that they have graphical representation or not using isgraph() function.
if(isgraph(a))
printf("The character has graphical representation
");
else
printf("The character isn’t having graphical representation
");
Updated on: 26-Jun-2020
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