C Tutorial/ctype.h/isgraph

isgraph

Item Value Header file ctype.h Declaration int isgraph(int ch); Return returns nonzero if ch is a printable character other than space or zero is returned.

For ASCII environments, printable characters are in the range 0x21 through 0x7E.

<source lang="cpp">#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;
 }</source>