Item Value
Header filectype.h
Declarationint isblank(int ch);
Returnreturns nonzero if ch is blank. By default, the blank characters are space and horizontal tab.
#include
#include
int main(void)
{
char ch;
for(;;) {
ch = getchar();
if(ch == '.') {
break;
}
if(isblank(ch)){
printf("%c is a word separator\n", ch);
}
}
return 0;
}
q
q is a letter
w
w is a letter
q
q is a letter
.