//Declaration: int isprint(int ch);
//Return: returns nonzero if ch is a printable character, including a space;
otherwise zero is returned.
#include
#include
int main(void)
{
char ch;
for(;;) {
ch = getchar();
if(isprint(ch)){
printf("%c is printable\n",ch);
}
if(ch == '.'){
break;
}
}
return 0;
}
/*
b
b is printable
d
d is printable
g
g is printable
y
y is printable
.
. is printable
*/