Concatenating strings in C

main.c

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

int main(int argc, char* argv[]) {
    char str1[100] = "My name is ";
    char str2[] = "Bob Jordan";
    
    strncat(str1, str2, 100 - strlen(str1) - 1);
    printf("%s\n", str1);
    return 0;
}