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CTYPE (3) | C library functions | Unix Manual Pages | :man▋
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 macros
CONTENTS
Library
Synopsis
Description
See Also
Standards
LIBRARY
.Lb libc
SYNOPSIS
.In 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
.In 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
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