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#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
static unsigned char to_lower[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x00, 0x00, 0x0B, 0x0C, 0x00, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
};
int main( int args, char **argv )
{
int fd[0x10000];
int run = 1, row;
memset( fd, 0, sizeof(fd) );
if( (args != 2) || ((row = atol(argv[1]))==0))
{
fprintf( stderr, "syntax: %s row", *argv );
exit( 1 );
}
while( run )
{
unsigned long offs = ftell( stdin );
unsigned char input[1024];
unsigned char *line = gets( input );
if( !line )
{
run = 0;
} else {
unsigned long rowc = row;
unsigned short int i = 0;
while( (--rowc) && line[i] )
while( line[i] && ( line[i++] != 9 ));
if( line[i] )
{
unsigned char a, b, x;
while( ( a = to_lower[line[i]]) && ( b = to_lower[line[i+1]]) )
{
unsigned char outblock[16];
unsigned int j;
memset( outblock, 0, sizeof( outblock ) );
*(unsigned long*)outblock = offs + i;
outblock[4] = (unsigned char) i;
if( !fd[ a | ( b << 8 )] ) {
char fn[5] = { 'A' + ( a >> 4 ), 'A' + ( a & 15 ),
'A' + ( b >> 4 ), 'A' + ( b & 15 ), 0 };
if( ( fd[ a | ( b << 8 )] = open( fn, O_RDWR | O_CREAT, 0644 ) ) == -1 )
{ fprintf( stderr, "Couldn't open: %s\n", fn ); exit( 1 ); }
}
for( j=0; (j < 10) && (x = to_lower[line[i + j + 2]]); ++j )
outblock[ 5 + j ] = x;
write( fd[ a | ( b << 8 )], outblock, sizeof(outblock) );
i++;
}
while( line[i++] );
}
}
}
return 0;
}
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