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ctype functions

## Macros

#define | apr_isalnum(c) (isalnum(((unsigned char)(c))))
#define | apr_isalpha(c) (isalpha(((unsigned char)(c))))
#define | apr_iscntrl(c) (iscntrl(((unsigned char)(c))))
#define | apr_isdigit(c) (isdigit(((unsigned char)(c))))
#define | apr_isgraph(c) (isgraph(((unsigned char)(c))))
#define | apr_islower(c) (islower(((unsigned char)(c))))
#define | apr_isascii(c) (((c) & ~0x7f)==0)
#define | apr_isprint(c) (isprint(((unsigned char)(c))))
#define | apr_ispunct(c) (ispunct(((unsigned char)(c))))
#define | apr_isspace(c) (isspace(((unsigned char)(c))))
#define | apr_isupper(c) (isupper(((unsigned char)(c))))
#define | apr_isxdigit(c) (isxdigit(((unsigned char)(c))))
#define | apr_tolower(c) (tolower(((unsigned char)(c))))
#define | apr_toupper(c) (toupper(((unsigned char)(c))))

## Detailed Description

These macros allow correct support of 8-bit characters on systems which support 8-bit characters. Pretty dumb how the cast is required, but that's legacy libc for ya. These new macros do not support EOF like the standard macros do. Tough.

## Macro Definition Documentation

## apr_isalnum

#define apr_isalnum | ( |  | c | ) | (isalnum(((unsigned char)(c))))

See also
  isalnum

## apr_isalpha

#define apr_isalpha | ( |  | c | ) | (isalpha(((unsigned char)(c))))

See also
  isalpha

## apr_isascii

#define apr_isascii | ( |  | c | ) | (((c) & ~0x7f)==0)

See also
  isascii

## apr_iscntrl

#define apr_iscntrl | ( |  | c | ) | (iscntrl(((unsigned char)(c))))

See also
  iscntrl

## apr_isdigit

#define apr_isdigit | ( |  | c | ) | (isdigit(((unsigned char)(c))))

See also
  isdigit

## apr_isgraph

#define apr_isgraph | ( |  | c | ) | (isgraph(((unsigned char)(c))))

See also
  isgraph

## apr_islower

#define apr_islower | ( |  | c | ) | (islower(((unsigned char)(c))))

See also
  islower

## apr_isprint

#define apr_isprint | ( |  | c | ) | (isprint(((unsigned char)(c))))

See also
  isprint

## apr_ispunct

#define apr_ispunct | ( |  | c | ) | (ispunct(((unsigned char)(c))))

See also
  ispunct

## apr_isspace

#define apr_isspace | ( |  | c | ) | (isspace(((unsigned char)(c))))

See also
  isspace

## apr_isupper

#define apr_isupper | ( |  | c | ) | (isupper(((unsigned char)(c))))

See also
  isupper

## apr_isxdigit

#define apr_isxdigit | ( |  | c | ) | (isxdigit(((unsigned char)(c))))

See also
  isxdigit

## apr_tolower

#define apr_tolower | ( |  | c | ) | (tolower(((unsigned char)(c))))

See also
  tolower

## apr_toupper

#define apr_toupper | ( |  | c | ) | (toupper(((unsigned char)(c))))

See also
  toupper