;
; Ullrich von Bassewitz, 02.06.1998
;
; int ispunct (int c);
;
.export _ispunct
.include "ctype.inc"
_ispunct:
cpx #$00 ; Char range ok?
bne @L1 ; Jump if no
tay
lda __ctype,y ; Get character classification
eor #CT_NOT_PUNCT ; NOT (space | control | digit | alpha)
and #CT_NOT_PUNCT ; Mask relevant bits
rts
@L1: lda #$00 ; Return false
tax
rts
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