The puts function in C

main.c

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

int main(int argc, char* argv[]) {
    char str[] = "hello world";
    int res = puts(str);
    if (res >= 0) {
        printf("Success\n");
    } else {
        printf("Failure\n");
    }
    return 0;
}