/* ----------------------------------------------------------------------------
 * $Id$
 * ----------------------------------------------------------------------------
 * Public Domain C Library - http://pdclib.sourceforge.net
 * This code is Public Domain. Use, modify, and redistribute at will.
 * ----------------------------------------------------------------------------
 * Character handling
 * --------------------------------------------------------------------------*/

#ifndef _CTYPE_H
#define _CTYPE_H _CTYPE_H

/* ----------------------------------------------------------------------------
 * FUNCTIONS
 * --------------------------------------------------------------------------*/

/* returns nonzero if c is alphanumeric in the locale. */
int isalnum( int c );

/* returns nonzero if c is alphabetic character in the locale. */
int isalpha( int c );

/* returns nonzero if c is a horizontal blank in the locale. */
int isblank( int c );

/* returns nonzero if c is a control character in the locale. */
int iscntrl( int c );

/* returns nonzero if c is a digit in the locale. */
int isdigit( int c );

/* returns nonzero if c is alphanumeric or a punctuation in the locale. */
int isgraph( int c );

/* returns nonzero if c is a lowercase alphabetic character in the locale. */
int islower( int c );

/* returns nonzero if c is a printable character ( isgraph() or isblank() ) in
 * the locale. */
int isprint( int c );

/* returns nonzero if c is a punctuation in the locale. */
int ispunct( int c );

/* returns nonzero if c is a whitespace in the locale. */
int isspace( int c );

/* returns nonzero if c is an uppercase alphabetical character in the locale. */
int isupper( int c );

/* returns nonzero if c is a hexedecimal digit in the locale. */
int isxdigit( int c );

/* returns lowercase equivalent for c in locale. */
int tolower( int c );

/* returns uppercase equivalent for c in locale. */
int toupper( int c );

#endif /* _CTYPE_H */