usr/src/cmd/sh/ctype.h

#
/*
 *      UNIX shell
 *
 *      S. R. Bourne
 *      Bell Telephone Laboratories
 *
 */


/* table 1 */
#define T_SUB   01
#define T_MET   02
#define T_SPC   04
#define T_DIP   010
#define T_EOF   020
#define T_EOR   040
#define T_QOT   0100
#define T_ESC   0200

/* table 2 */
#define T_BRC   01
#define T_DEF   02
#define T_AST   04
#define T_DIG   010
#define T_FNG   020
#define T_SHN   040
#define T_IDC   0100
#define T_SET   0200

/* for single chars */
#define _TAB    (T_SPC)
#define _SPC    (T_SPC)
#define _UPC    (T_IDC)
#define _LPC    (T_IDC)
#define _DIG    (T_DIG)
#define _EOF    (T_EOF)
#define _EOR    (T_EOR)
#define _BAR    (T_DIP)
#define _HAT    (T_MET)
#define _BRA    (T_MET)
#define _KET    (T_MET)
#define _SQB    (T_FNG)
#define _AMP    (T_DIP)
#define _SEM    (T_DIP)
#define _LT     (T_DIP)
#define _GT     (T_DIP)
#define _LQU    (T_QOT|T_ESC)
#define _BSL    (T_ESC)
#define _DQU    (T_QOT)
#define _DOL1   (T_SUB|T_ESC)

#define _CBR    T_BRC
#define _CKT    T_DEF
#define _AST    (T_AST|T_FNG)
#define _EQ     (T_DEF)
#define _MIN    (T_DEF|T_SHN)
#define _PCS    (T_SHN)
#define _NUM    (T_SHN)
#define _DOL2   (T_SHN)
#define _PLS    (T_DEF|T_SET)
#define _AT     (T_AST)
#define _QU     (T_DEF|T_FNG|T_SHN)

/* abbreviations for tests */
#define _IDCH   (T_IDC|T_DIG)
#define _META   (T_SPC|T_DIP|T_MET|T_EOR)

char    _ctype1[];

/* nb these args are not call by value !!!! */
#define space(c)        (((c)&QUOTE)==0 ANDF _ctype1[c]&(T_SPC))
#define eofmeta(c)      (((c)&QUOTE)==0 ANDF _ctype1[c]&(_META|T_EOF))
#define qotchar(c)      (((c)&QUOTE)==0 ANDF _ctype1[c]&(T_QOT))
#define eolchar(c)      (((c)&QUOTE)==0 ANDF _ctype1[c]&(T_EOR|T_EOF))
#define dipchar(c)      (((c)&QUOTE)==0 ANDF _ctype1[c]&(T_DIP))
#define subchar(c)      (((c)&QUOTE)==0 ANDF _ctype1[c]&(T_SUB|T_QOT))
#define escchar(c)      (((c)&QUOTE)==0 ANDF _ctype1[c]&(T_ESC))

char    _ctype2[];

#define digit(c)        (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_DIG))
#define fngchar(c)      (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_FNG))
#define dolchar(c)      (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_AST|T_BRC|T_DIG|T_IDC|T_SHN))
#define defchar(c)      (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_DEF))
#define setchar(c)      (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_SET))
#define digchar(c)      (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_AST|T_DIG))
#define letter(c)       (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_IDC))
#define alphanum(c)     (((c)&QUOTE)==0 ANDF _ctype2[c]&(_IDCH))
#define astchar(c)      (((c)&QUOTE)==0 ANDF _ctype2[c]&(T_AST))