/**
PIE Reverse words in string "I do like NFL" -> "NFL like do I"
**/
void ReverseWords(char str[]){
int str_len = 0;
str_len = strlen(str);
//char *reversed = malloc(sizeof(char)*str_len);
ReverseStr(str,str_len);
char *current_str;
int start = 0;
strlen = 0;
while(str[strlen+start]!='\0'){
strlen = 0;
while(str[strlen+start]!=' '){
strlen++;
}
current_str = str + start;
ReverseStr(current_str,strlen);
start += strlen+1; //skip space;
}
}
Method2
#include <stdio.h>
#include <malloc.h>
#include <string.h>
void ReverseStr ( char *buff, int start, int end )
{
char tmp ;
if ( start >= end )
{
printf ( "\n%s\n", buff ); return;
}
tmp = *(buff + start);
*(buff + start) = *(buff + end);
*(buff + end) = tmp ;
ReverseStr (buff, ++start, --end );
}
int main()
{
char buffer[]="This is Test"; ReverseStr(buffer,0,strlen(buffer)-1); return 0;
}
