isspace() ctype Macro (ctype.h) isspace() Check if a character prints white space #include <ctype.h> int isspace(c) int c; isspace tests whether the argument c is a space, tab, newline, carriage return, or form-feed character. It returns a number other than zero if c is a white-space character, and zero if it is not. isspace assumes that c is an ASCII character or EOF. ***** Example ***** For an example of how to use this macro, see the entry for ctype. ***** See Also ***** ASCII, ctype COHERENT Lexicon Page 1