Answer / manya

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

char * __mstrtok(char *str, char *delimiters)
{
int i;
char map[32];
char *dlmt = delimiters;
char *s1,*s2;
static char *laststr;

for(i=0;i<32;i++)
map[i] = 0;

for(;*dlmt;dlmt++)
map[*dlmt >> 3] |= 1 << (*dlmt & 7);

if(str)
s1 = str;
else
s1 = laststr;

if(!s1)
return NULL;

if(map[*s1 >> 3] & 1 << (*s1 & 7))
s1++;

s2 = s1;

for(;*s1;s1++)
{
if(map[*s1 >> 3] & 1 << (*s1 & 7))
{
*s1++ = '\0';
laststr = s1;
return s2;
}
}

return NULL;
}

int main()
{
char *token;
char string[] = "Hi friend, how are you? How is life! going
on, right.";

for(token=__mstrtok(string," ,?!.");
token;
token=__mstrtok(NULL," ,?!."))
printf("|%s|",token);

printf("\n Done \n");
return 0;
}

Answer / yogesh

strtok() function is used for tokanizing the given string.
The output of the following program will be as follows.
How|are|you|I|am|Fine.

#include<stdio.h>
int main()
{
char *p;
char str[40]="How are you,I am Fine";
p=strtok(str," ");
printf("%s",p);
do
{
p=strtok('\0',", ");
if(p)
printf("|%s",p);
}while(p);
printf("\n");
}

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