test_string.c

ICS 课程的Lab8

#include <stdio.h>
#include "csapp.h"

int main(int argc, char *argv[]) 
{
	//char buf[1024];
	//buf[0] = 'a';
	//buf[1] = 'b';
	//buf[2] = ' ';
	//buf[3] = 'c';
	//buf[4] = '\0';
	//buf = "abc d";
	//printf("buf: %s\n",buf);
	/*
	int fd , n;
	rio_t rio;
	
	fd = Open("proxy.filter",O_RDONLY,0);
	Rio_readinitb(&rio,fd);
	while ( 1 )
	{
		char buf[1024];
		if ( ( n = Rio_readlineb(&rio, buf,1024) ) > 0)
		{
			printf("line : %s \n",buf);
		}
		else
			break;
	}*/
	
	/*char *old = "abcdefg";
	char *new = "abcdegd";
	char *old1 = old ;
	char *new1 = new ;
	int i = 0;
	while ( *old1 ++ == *new1 ++ )
	{
		//old1++;
		//new1++;
		i++;
		printf("i : %d \n",i);		
		printf("old : %p   old* : %c\n",old1,*old1);
		printf("new : %p   new* : %c\n",new1,*new1);		
	}*/
	char *test = "abcdef  g   ";
	char *test1 = "abc\rd";
	int i = strlen(test);
	printf("test : %s \n len : %d \n test1 : %s\n char : a%cd\n",test,i,test1,32);
	//test[i]= ' ';
	//test[i-1]=' ';
	
	//test[i-2] = '\0';
	//test = Trim(test); 
	printf("test : %s \n len : %d \n n : %c\n",test,strlen(test),10);
	exit(0);
}