helloworld.c


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#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

int
main(void)
{
    if (-1 == pledge("stdio", NULL)) 
        err(EXIT_FAILURE, "pledge");
    puts("Status: 200 OK\r");
    puts("Content-Type: text/html\r");
    puts("\r");
    puts("Hello, world!\n");
    return(EXIT_SUCCESS);
}