token.c

#include <stdio.h>
#include <string.h>
//use strtok(string.h) to split token
//reference: http://www.cplusplus.com/reference/cstring/strtok

int main() {

    char str[]  = "this is token test";
    char str2[] = "it will show how to split string";
    char * token;

    //type 1
    token = strtok( str, " " );
    printf ( "%s\n",token );
    token = strtok ( NULL, " " );
    printf ( "%s\n",token );
    token = strtok ( NULL, " " );
    printf ( "%s\n",token );
    token = strtok ( NULL, " " );
    printf ( "%s\n",token );

    //type 2
    token = strtok( str2, " " );
    while ( token != NULL ) {
      printf ( "%s\n",token );
      token = strtok ( NULL, " " );
    }
    
    return 0;
}