ctype(3) - NetBSD Manual Pages

CTYPE(3)                NetBSD Library Functions Manual               CTYPE(3)


NAME
isalpha, isupper, islower, isdigit, isxdigit, isalnum, isspace, ispunct, isprint, isgraph, iscntrl, isblank, isascii, toupper, tolower, toascii -- character classification and mapping functions
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h> int c isalpha(c); isupper(c); islower(c); isdigit(c); isxdigit(c); isalnum(c); isspace(c); ispunct(c); isprint(c); isgraph(c); iscntrl(c); isblank(c); isascii(c); toupper(c); tolower(c); toascii(c);
DESCRIPTION
The above functions perform character tests and conversions on the inte- ger c. See the specific manual pages for more information.
SEE ALSO
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
These functions, with the exception of isblank(), isascii(), and toascii(), conform to ANSI X3.159-1989 (``ANSI C89''). NetBSD 4.0 January 26, 2006 NetBSD 4.0

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