isspace
Header: <ctype.h>
Checks if the given character is either
# Declarations
int isspace( int ch );
# Parameters
ch: character to classify
# Return value
Non-zero value if the character is a whitespace character, zero otherwise.
# Example
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
int main(void)
{
for (int ndx = 0; ndx <= UCHAR_MAX; ++ndx)
if (isspace(ndx))
printf("0x%02x ", ndx);
}