C – strtok() function

• strtok( ) function in C tokenizes/parses the given string using delimiter. Syntax for strtok( ) function is given below.

char * strtok ( char * str, const char * delimiters );

Example program for strtok() function in C:

• In this program, input string “Test,string1,Test,string2:Test:string3″ is parsed using strtok() function. Delimiter comma (,) is used to separate each sub strings from input string.

#include <stdio.h>
#include <string.h>
int main ()
{
  char string[50] ="Test,string1,Test,string2:Test:string3";
  char *p;
  printf ("String  \"%s\" is split into tokens:\n",string);
  p = strtok (string,",:");
  while (p!= NULL)
  {
    printf ("%s\n",p);
    p = strtok (NULL, ",:");
  }
  return 0;
}

Output:

String “Test,string1,Test,string2:Test:string3″ is split into tokens: Test string1 Test string2 Test string3