split function in C ( written by myself )

split_string.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define len 200

typedef struct _string
{
	char tokens[30][200];         // tokens can be treated as an array of strings
	int no_of_tokens;	
}str_info;


str_info split(char* str, char* delim)     // doesnt do any changes to string pointed by str
{                                          // splits the string based on the delimiters provided and stores in "struct _string"
	char tempstr[len];
	int size;
	str_info info;

	int i;
	for (i = 0; i < 30; ++i)
	{
		memset(info.tokens[i],'\0',sizeof(info.tokens[i]));
	}

	size=0;
	
	
	strcpy(tempstr, str);
	char* ptr = strtok(tempstr, delim);
	while(ptr != NULL)
	{
		strcpy(info.tokens[size++],ptr);
		//printf("%s\n",info.tokens[i]);
		ptr = strtok(NULL,delim);
	}
	info.no_of_tokens = size;

	return info ;
}