ap_ctype.h

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#ifndef AP_CTYPE_H
#define AP_CTYPE_H

#include <ctype.h>

/* 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.
 */
#define ap_isalnum(c) (isalnum(((unsigned char)(c))))
#define ap_isalpha(c) (isalpha(((unsigned char)(c))))
#define ap_iscntrl(c) (iscntrl(((unsigned char)(c))))
#define ap_isdigit(c) (isdigit(((unsigned char)(c))))
#define ap_isgraph(c) (isgraph(((unsigned char)(c))))
#define ap_islower(c) (islower(((unsigned char)(c))))
#define ap_isprint(c) (isprint(((unsigned char)(c))))
#define ap_ispunct(c) (ispunct(((unsigned char)(c))))
#define ap_isspace(c) (isspace(((unsigned char)(c))))
#define ap_isupper(c) (isupper(((unsigned char)(c))))
#define ap_isxdigit(c) (isxdigit(((unsigned char)(c))))
#define ap_tolower(c) (tolower(((unsigned char)(c))))
#define ap_toupper(c) (toupper(((unsigned char)(c))))

#endif	/* !AP_CTYPE_H */