ISRUNE(3) BSD Library Functions Manual ISRUNE(3)NAME
isrune -- valid character test
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
isrune(int c);
DESCRIPTION
The isrune() function tests for any character that is valid in the current character set. In the ASCII character set, this is equivalent to
isascii().
RETURN VALUES
The isrune() function returns zero if the character tests false and returns non-zero if the character tests true.
SEE ALSO ctype(3), isascii(3), iswrune(3), ascii(7)HISTORY
The isrune() function appeared in 4.4BSD.
BSD March 30, 2004 BSD
Check Out this Related Man Page
CTYPE(3) BSD Library Functions Manual CTYPE(3)NAME
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 functions
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#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
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 digittoint(3), isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3), isideogram(3), islower(3), isphonogram(3),
isprint(3), ispunct(3), isrune(3), isspace(3), isspecial(3), isupper(3), isxdigit(3), toascii(3), tolower(3), toupper(3), wctype(3), ascii(7)STANDARDS
These functions, except for digittoint(), isascii(), ishexnumber(), isideogram(), isnumber(), isphonogram(), isrune(), isspecial() and
toascii(), conform to ISO/IEC 9899:1990 (``ISO C90'').
BSD March 30, 2004 BSD
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