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