#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int isPalin ( char *str ) {
int i, len=strlen(str);
for (i=0; i<len/2; ++i)
if (str[i]!=str[len-i-1])
break;
return i==len/2;
}
int main(int argc, char *argv[]) {
if (argc!=2)
puts("Usage: small_palin <string>");
else {
char *str = argv[1];
int i=0, j, len=strlen(str);
while ( !isPalin(str+i) )
++i;
char *palin = malloc(len+1+i);
*(palin+len+1+i) = \'\\0\';
strcpy(palin,str);
for (i=i-1, j=0; i>=0; --i, ++j)
*(palin+len+j) = str[i];
puts(palin);
}
return 0;
}