qrtrans.c

// for http://fun.coolshell.cn/unix.html
#include <stdio.h>
#include <string.h>

int main()
{
        char * seq1 = "pvwdgazxubqfsnrhocitlkeymj";
        char seq[32] = "";
        for(int i = 0 ; i < strlen(seq1) ; i ++)
        {
                seq[seq1[i] - 'a' ] = 'a' + i;
        }
        seq[27] = '0';
        printf("%s\n",seq);

        char buff[1024];
        while((scanf("%s",buff)) != EOF)
        {

                for(int i = 0 ; i < strlen(buff) ; i ++)
                {
                        //printf("[%c]",buff[i]);
                        if(buff[i] >= 'a' && buff[i] <= 'z')
                        {
                                putchar(seq[buff[i] - 'a']);
                        }else if(buff[i] >= 'A' && buff[i] <= 'Z')
                        {
                                putchar(seq[buff[i] - 'A'] - 32);
                        }else
                        {
                                putchar(buff[i]);
                        }
                }
                putchar(' ');
        }
}