UNIX 7th Ed. - /usr/include/ctype.h

Macros

_C                X
_L                X
_N                X
_P                X
_S                X
_U                X
_X                X
isalnum           X
isalpha           X
isascii           X
iscntrl           X
isdigit           X
islower           X
isprint           X
ispunct           X
isspace           X
isupper           X
isxdigit          X
toascii           X
tolower           X
toupper           X

   1: #define _U  01
   2: #define _L  02
   3: #define _N  04
   4: #define _S  010
   5: #define _P  020
   6: #define _C  040
   7: #define _X  0100
   8: 
   9: extern  char    _ctype_[];  /* in /usr/src/libc/gen/ctype_.h */
  10: 
  11: #define isalpha(c)  ((_ctype_+1)[c]&(_U|_L))
  12: #define isupper(c)  ((_ctype_+1)[c]&_U)
  13: #define islower(c)  ((_ctype_+1)[c]&_L)
  14: #define isdigit(c)  ((_ctype_+1)[c]&_N)
  15: #define isxdigit(c) ((_ctype_+1)[c]&(_N|_X))
  16: #define isspace(c)  ((_ctype_+1)[c]&_S)
  17: #define ispunct(c)  ((_ctype_+1)[c]&_P)
  18: #define isalnum(c)  ((_ctype_+1)[c]&(_U|_L|_N))
  19: #define isprint(c)  ((_ctype_+1)[c]&(_P|_U|_L|_N))
  20: #define iscntrl(c)  ((_ctype_+1)[c]&_C)
  21: #define isascii(c)  ((unsigned)(c)<=0177)
  22: #define toupper(c)  ((c)-'a'+'A')
  23: #define tolower(c)  ((c)-'A'+'a')
  24: #define toascii(c)  ((c)&0177)

Defined macros

_C defined in line 6; used 29 times

in line 20
in /usr/src/libc/gen/ctype_.c line 5-8(27), 20

_L defined in line 2; used 30 times

in line 11-19(4)
in /usr/src/libc/gen/ctype_.c line 17-20(26)

_N defined in line 3; used 14 times

in line 14-19(4)
in /usr/src/libc/gen/ctype_.c line 11-12(10)

_P defined in line 5; used 34 times

in line 17-19(2)
in /usr/src/libc/gen/ctype_.c line 9-20(32)

_S defined in line 4; used 7 times

in line 16
in /usr/src/libc/gen/ctype_.c line 6-9(6)

_U defined in line 1; used 30 times

in line 11-12(2), 18-19(2)
in /usr/src/libc/gen/ctype_.c line 13-16(26)

_X defined in line 7; used 13 times

in line 15
in /usr/src/libc/gen/ctype_.c line 13-17(12)

isalnum defined in line 18; used 1 times

in /usr/src/cmd/look.c line 153

isalpha defined in line 11; used 21 times

in /usr/src/cmd/ac.c line 70
in /usr/src/cmd/f77/lex.c line 537, 551, 700-705(2), 764-765(2)
in /usr/src/cmd/file.c line 184, 201
in /usr/src/cmd/refer/hunt3.c line 17
in /usr/src/cmd/refer/kaiser.c line 203
in /usr/src/cmd/refer/mkey2.c line 106
in /usr/src/cmd/refer/refer2.c line 48
in /usr/src/cmd/refer/refer5.c line 244
in /usr/src/cmd/refer/refer6.c line 161
in /usr/src/cmd/refer/what2.c line 91
in /usr/src/cmd/refer/what4.c line 113-114(2)
in /usr/src/cmd/tbl/t8.c line 264
in /usr/src/cmd/uucp/conn.c line 222, 704

isascii defined in line 21; never used

iscntrl defined in line 20; never used

isdigit defined in line 14; used 68 times

in /usr/src/cmd/ac.c line 70
in /usr/src/cmd/at.c line 127, 138-139(2)
in /usr/src/cmd/awk/lib.c line 228-234(3), 242-246(2), 254-259(2)
in /usr/src/cmd/chgrp.c line 50
in /usr/src/cmd/chown.c line 52
in /usr/src/cmd/cmp.c line 118
in /usr/src/cmd/cron.c line 244
in /usr/src/cmd/f77/driver.c line 144, 1116
in /usr/src/cmd/f77/lex.c line 352, 417, 424, 515, 686, 705, 755, 777, 784-788(2)
in /usr/src/cmd/f77/main.c line 43
in /usr/src/cmd/graph.c line 230, 628
in /usr/src/cmd/mip/scan.c line 483, 924
in /usr/src/cmd/quot.c line 104
in /usr/src/cmd/refer/hunt3.c line 17
in /usr/src/cmd/refer/kaiser.c line 120, 131, 203, 267-269(2)
in /usr/src/cmd/refer/mkey2.c line 60, 106
in /usr/src/cmd/refer/refer2.c line 50
in /usr/src/cmd/refer/what4.c line 113
in /usr/src/cmd/sort.c line 606-607(2), 627-634(4), 805
in /usr/src/cmd/tbl/t5.c line 27
in /usr/src/cmd/tbl/t9.c line 25
in /usr/src/cmd/uniq.c line 21
in /usr/src/cmd/yacc/y2.c line 464, 571-574(2), 582, 775-777(2)
in /usr/src/cmd/yacc/y4.c line 314
in /usr/src/libI77/lread.c line 195, 262, 308
in /usr/src/libc/gen/atof.c line 32, 41, 60
in /usr/src/libc/stdio/doscan.c line 50, 134

islower defined in line 13; used 7 times

in /usr/src/cmd/grep.c line 119
in /usr/src/cmd/mip/scan.c line 801
in /usr/src/cmd/refer/kaiser.c line 41
in /usr/src/cmd/spell/spell.c line 161
in /usr/src/cmd/yacc/y2.c line 464, 580-582(2)

isprint defined in line 19; never used

ispunct defined in line 17; never used

isspace defined in line 16; used 32 times

in /usr/src/cmd/diff.c line 475-483(4)
in /usr/src/cmd/diffh.c line 201-203(4)
in /usr/src/cmd/f77/driver.c line 551, 571-576(2), 1111
in /usr/src/cmd/f77/lex.c line 340-345(3), 351, 377
in /usr/src/cmd/ptx.c line 278, 291, 312, 400-404(2), 416-420(2), 465-467(3), 478-480(3)
in /usr/src/cmd/xsend/xget.c line 79-80(2)

isupper defined in line 12; used 29 times

in /usr/src/cmd/at.c line 278
in /usr/src/cmd/f77/expr.c line 1301
in /usr/src/cmd/f77/lex.c line 475
in /usr/src/cmd/lint/lint.c line 616
in /usr/src/cmd/look.c line 157
in /usr/src/cmd/mip/scan.c line 484
in /usr/src/cmd/ptx.c line 209, 356, 517-525(4)
in /usr/src/cmd/refer/glue4.c line 24
in /usr/src/cmd/refer/glue5.c line 140
in /usr/src/cmd/refer/kaiser.c line 177(2)
in /usr/src/cmd/refer/refer2.c line 43
in /usr/src/cmd/refer/what2.c line 31, 166, 192
in /usr/src/cmd/refer/what4.c line 92
in /usr/src/cmd/spell/spell.c line 171, 232
in /usr/src/cmd/spell/spell.h line 9
in /usr/src/cmd/yacc/y2.c line 464, 580-584(3)
in /usr/src/libc/stdio/doscan.c line 64

isxdigit defined in line 15; never used

toascii defined in line 24; never used

tolower defined in line 23; used 16 times

in /usr/src/cmd/at.c line 279
in /usr/src/cmd/f77/expr.c line 1302
in /usr/src/cmd/f77/lex.c line 476
in /usr/src/cmd/lint/lint.c line 616
in /usr/src/cmd/ptx.c line 209, 356, 517-525(4)
in /usr/src/cmd/refer/glue4.c line 25
in /usr/src/cmd/refer/what2.c line 166, 193
in /usr/src/cmd/refer/what4.c line 92
in /usr/src/cmd/spell/spell.h line 9
in /usr/src/libc/stdio/doscan.c line 65

toupper defined in line 22; used 2 times

in /usr/src/cmd/grep.c line 121
in /usr/src/cmd/nm.c line 156

Usage of this include

ctype.h used 39 times

Last modified: 1979-05-05
Generated: 2016-12-26

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