< previous page	page_a4	next page >
Page A4 islower(ch) Parameter: Function return value: A char value ch An int value that is nonzero (TRUE), if ch is a lowercase letter (az) 0 (FALSE), otherwise isprint(ch) Parameter: Function return value: A char value ch An int value that is nonzero (TRUE), if ch is a printable character, including the blank (in ASCII, through ~) 0 (FALSE), otherwise ispunct(ch) Parameter: Function return value: A char value ch An int value that is nonzero (TRUE), if ch is a punctuation character (equivalent to isgraph(ch)&&!isalnum(ch) ) 0 (FALSE), otherwise isspace(ch) Parameter: Function return value: A char value ch An int value that is nonzero (TRUE), if ch is a whitespace character (blank, newline, tab, carriage return, form feed) 0 (FALSE), otherwise isupper(ch) Parameter: Function return value: A char value ch An int value that is nonzero (TRUE), if ch is an uppercase letter (AZ) 0 (FALSE), otherwise isxdigit(ch) Parameter: Function return value: A char value ch An int value that is nonzero (TRUE), if ch is a hexadecimal digit (09, AF, a&ndashf) 0 (FALSE), otherwise
< previous page	page_a4	next page >