| Item | Value |
| Header file | ctype.h |
| Declaration | int isprint(int ch); |
| Return | returns nonzero if ch is a printable character, including a space; otherwise zero is returned. |
In ASCII code, printable characters are in the range 0x20 through 0x7E.
#include <ctype.h>
#include <stdio.h>
int main(void)
{
char ch;
for(;;) {
ch = getchar();
if(isprint(ch)){
printf("%c is printable\n",ch);
}
if(ch == '.'){
break;
}
}
return 0;
}
a
a is printable
s
s is printable
d
d is printable
f
f is printable
.
. is printable
| 18.8.isprint |
| 18.8.1. | isprint |