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Write a program to copy its input to its output, replacing each tab by \t , each backspace by \b , and each backslash by \\ . This makes tabs and backspaces visible in an unambiguous way.

#include <stdio.h>

int main()
{
¡¡¡¡int c, d;

¡¡¡¡while ( (c=getchar()) != EOF) {
¡¡¡¡¡¡¡¡d = 0;
¡¡¡¡¡¡¡¡if (c == '\\') {
¡¡¡¡¡¡¡¡¡¡¡¡putchar('\\');
¡¡¡¡¡¡¡¡¡¡¡¡putchar('\\');
¡¡¡¡¡¡¡¡¡¡¡¡d = 1;
¡¡¡¡¡¡¡¡}
¡¡¡¡¡¡¡¡if (c == '\t') {
¡¡¡¡¡¡¡¡¡¡¡¡putchar('\\');
¡¡¡¡¡¡¡¡¡¡¡¡putchar('t');
¡¡¡¡¡¡¡¡¡¡¡¡d = 1;
¡¡¡¡¡¡¡¡}
¡¡¡¡¡¡¡¡if (c == '\b') {
¡¡¡¡¡¡¡¡¡¡¡¡putchar('\\');
¡¡¡¡¡¡¡¡¡¡¡¡putchar('b');
¡¡¡¡¡¡¡¡¡¡¡¡d = 1;
¡¡¡¡¡¡¡¡}
¡¡¡¡¡¡¡¡if (d == 0)
¡¡¡¡¡¡¡¡¡¡¡¡putchar(c);¡¡¡¡¡¡¡¡
¡¡¡¡}
¡¡¡¡return 0;
}

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Íü¸ßÊÖÖ¸µãÒ»¶ ......

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#include"stdio.h"
#include"stdlib.h"
void ContrTwo(char i)
{
char str1[8];
itoa(i,str1,2);
printf("%s",str1);
}
unsigned char leftRot(char str,int i);
unsign ......

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test.c
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execlÔõôµ÷ÓÃjava³ÌÐò - C/C++ / CÓïÑÔ

ÈçÌ⣬C/C++ÖеÄexeclÔõôµ÷ÓÃдºÃµÄjava³ÌÐò£¬
execl("/opt/java1.5/bin/java","MyClass",NULL);
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