Add head_grep to grep only the first few lines

[cmccabe-bin] / vimstart.c

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

int main(int argc, char **argv)
{
        close(0); /* close stdin */

         /* duplicate stdin from stderr */
        if (dup(2) < 0) {
                perror("dup failed:");
                return 1;
        }
        execvp("/usr/bin/vim", argv);
        perror("could not execute program");
        return 1;
}