Run *.c files as scripts. Put this in ~/bin/cscript

cscript

#!/usr/bin/env bash
tail -n `wc -l $1 | awk '{ print $1 }'` $1 | gcc -xc - -o ~/.cscript && ~/.cscript

hello.c

#!/usr/bin/env cscript

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

int main(int argc, char ** argv) {
    printf("Hello, World!\n");
    return 0;
}