/*
 * helper.c
 *
 *  Created on: Jul 14, 2022
 *      Author: tom
 */
#include <string.h>
#include <ctype.h>

char *ltrim(char *s)
{
    while(isspace((int)*s))	s++;
    return s;
}

char *rtrim(char *s)
{
    char* back = s + strlen(s);
    while(isspace((int)*--back));
    *(back+1) = '\0';
    return s;
}

char *trim(char *s)
{
    return rtrim(ltrim(s));
}