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#include "buffer.h"
#include "exit.h"
int main()
{
register int n;
register char *x;
char ch;
register int flagcr = 0;
for (;;) {
n = buffer_feed(buffer_0);
if (n < 0) _exit(111);
if (!n) {
if (flagcr) buffer_PUTC(buffer_1,"\r"[0]);
buffer_flush(buffer_1);
_exit(0);
}
x = buffer_PEEK(buffer_0);
buffer_SEEK(buffer_0,n);
while (n > 0) {
ch = *x++; --n;
if (!flagcr) {
if (ch == '\r') { flagcr = 1; continue; }
buffer_PUTC(buffer_1,ch);
continue;
}
if (ch != '\n') {
buffer_PUTC(buffer_1,"\r"[0]);
if (ch == '\r') continue;
}
flagcr = 0;
buffer_PUTC(buffer_1,ch);
}
}
}
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