#include <stdio.h>
#include <unistd.h>
#include <sys/sysctl.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char *argv[])
{
    strncpy(argv[0], "lol", 4);
    printf("argv[0]: %s\n", argv[0]);

    static char procdata[4096];
    int mib[3] = { CTL_KERN, KERN_PROCARGS, getpid() };
    procdata[0] = '\0'; // clear
    size_t size = sizeof(procdata);
    if (sysctl(mib, 3, procdata, &size, NULL, 0)) {
        puts("Some error *shrugs*");
    }
    procdata[sizeof(procdata)-2] = ':';
    procdata[sizeof(procdata)-1] = '\0';

    printf("procdata name: %s\n", procdata);
}