| 18. 8. 1. isprint |
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| 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. |
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In ASCII code, printable characters are in the range 0x20 through 0x7E. |
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#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;
}
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a
a is printable
s
s is printable
d
d is printable
f
f is printable
.
. is printable |
