NAME    [Toc]    [Back]

     digittoint, isalnum, isalpha, isascii, isblank, iscntrl, isdigit,
     isgraph, ishexnumber, isideogram, islower, isnumber, isphonogram,
     isprint, ispunct, isrune, isspace, isspecial, isupper, isxdigit, toascii,
     tolower, toupper -- character classification macros

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <ctype.h>

     int
     digittoint(int c);

     int
     isalnum(int c);

     int
     isalpha(int c);

     int
     isascii(int c);

     int
     iscntrl(int c);

     int
     isdigit(int c);

     int
     isgraph(int c);

     int
     ishexnumber(int c);

     int
     isideogram(int c);

     int
     islower(int c);

     int
     isnumber(int c);

     int
     isphonogram(int c);

     int
     isspecial(int c);

     int
     isprint(int c);

     int
     ispunct(int c);

     int
     isrune(int c);

     int
     isspace(int c);

     int
     isupper(int c);

     int
     isxdigit(int c);

     int
     toascii(int c);

     int
     tolower(int c);

     int
     toupper(int c);

DESCRIPTION    [Toc]    [Back]

     The above functions perform character tests and conversions on the integer
 c.  They are available as macros, defined in the include file
     <ctype.h>, or as true functions in the C library.	See the specific manual
 pages for more information.

SEE ALSO    [Toc]    [Back]

     digittoint(3), isalnum(3), isalpha(3), isascii(3), isblank(3),
     iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), ispunct(3),
     isspace(3), isupper(3), isxdigit(3), toascii(3), tolower(3), toupper(3),
     ascii(7)

STANDARDS    [Toc]    [Back]

     These functions, except for digittoint(), isascii(), ishexnumber(),
     isideogram(), isnumber(), isphonogram(), isrune(), isspecial() and
     toascii(), conform to ISO/IEC 9899:1990 (``ISO C89'').


FreeBSD 5.2.1			 June 4, 1993			 FreeBSD 5.2.1