C ctype isspace() Function
Example
Check if a character is whitespace:
char c = ' ';
if (isspace(c)) {
printf("%c is whitespace", c);
} else {
printf("%c is not whitespace", c);
}
Definition and Usage
The isspace() function returns a non-zero value (equivalent to boolean true) if
a character is a whitespace character. Whitespace characters are spaces, tabs and newline characters.
The isspace() function is defined in the <ctype.h> header file.
Syntax
int isspace(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 whitespace.Otherwise it returns 0 (equivalent to boolean false). |
|---|
