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ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c
c HTCd - Copyright (C) 1998-2006 Henrik Rydberg
c
c This program is free software; you can redistribute it and/or modify
c it under the terms of the GNU General Public License as published by
c the Free Software Foundation; either version 2 of the License, or
c (at your option) any later version.
c
c This program is distributed in the hope that it will be useful,
c but WITHOUT ANY WARRANTY; without even the implied warranty of
c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c GNU General Public License for more details.
c
c You should have received a copy of the GNU General Public License
c along with this program; if not, write to the Free Software
c Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
c
integer function crfind(s,n,c)
character s(0:1),c
integer i,m,n
m=mod(n,16)
do 10 i=n-16,m,-16
if(s(i+15).eq.c)go to 115
if(s(i+14).eq.c)go to 114
if(s(i+13).eq.c)go to 113
if(s(i+12).eq.c)go to 112
if(s(i+11).eq.c)go to 111
if(s(i+10).eq.c)go to 110
if(s(i+9).eq.c)go to 109
if(s(i+8).eq.c)go to 108
if(s(i+7).eq.c)go to 107
if(s(i+6).eq.c)go to 106
if(s(i+5).eq.c)go to 105
if(s(i+4).eq.c)go to 104
if(s(i+3).eq.c)go to 103
if(s(i+2).eq.c)go to 102
if(s(i+1).eq.c)go to 101
if(s(i).eq.c)go to 100
10 continue
do 20 i=m-1,0,-1
if(s(i).eq.c)go to 100
20 continue
crfind=-1
return
100 crfind=i
return
101 crfind=i+1
return
102 crfind=i+2
return
103 crfind=i+3
return
104 crfind=i+4
return
105 crfind=i+5
return
106 crfind=i+6
return
107 crfind=i+7
return
108 crfind=i+8
return
109 crfind=i+9
return
110 crfind=i+10
return
111 crfind=i+11
return
112 crfind=i+12
return
113 crfind=i+13
return
114 crfind=i+14
return
115 crfind=i+15
return
end
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