C ctype isprint() Function
Example
Check if a character is printable:
char c = 'A';
if (isprint(c)) {
printf("%c is printable", c);
} else {
printf("%c is not printable", c);
}
Definition and Usage
The isprint() function returns a non-zero value (equivalent to boolean
true)
if a character is printable. A printable character is any character with a graphical representation as well as
the space character.
The isprint() function is defined in the <ctype.h> header file.
Syntax
int isprint(int c);Parameter Values
| Parameter | Description |
|---|---|
| c | Required. The ASCII value of a character or an actual character |
Technical Details
| Returns: | An int value which is non-zero (equivalent to boolean
true) if the character is a printable character.Otherwise it returns 0 (equivalent to boolean false). |
|---|