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

int main() {

        char s[]="send !_30 <what I wanna send>";
        char s1[10];
        char s2[]="tesT";
        char s3[]="tesT";
        
        /* strncpy to copy strings */
        strncpy(s1,s+5,4);
        fprintf(stdout,"%s\n",s1);
        
        if(strcmp(s2,s3)==0) {
                fprintf(stdout,"strings are identical...\n");
        }
}