Mega Code Archive
Returns nonzero if ch is a printable character
<![CDATA[
other than space or zero is returned
//Declaration: int isgraph(int ch);
//Return: returns nonzero if ch is a printable character other than space or zero is returned.
#include <ctype.h>
#include <stdio.h>
int main(void)
{
char ch;
for(;;) {
ch = getchar();
if(isgraph(ch)){
printf("%c is printable\n", ch);
}
if(ch == '.'){
break;
}
}
return 0;
}
/*
4
4 is printable
8
8 is printable
2
2 is printable
1
1 is printable
.
. is printable
*/
]]>