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// watch-n-write.c
// Problem: When the file doesn't exist it should 'Start transmission' and add one to dead. It seems to immediately 'start transmission' even if the file exists. When I get past that I can work on the 'transmission' code segment.

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

main(int argc, char *argv[]){
        FILE *stream;
        char sigstat[20],pidloc[] = "/proc/%s/status",openme[sizeof pidloc+100],buf[100];
        int i, dead = 0;

if (argc < 4){
        printf("usage: ./watch-n-write pid username tty\n");
        exit(1);
        }

        sprintf(openme, pidloc, argv[1]);
        printf("Waiting...");

for (i = 0; dead < 1; i++){
        if((stream = fopen(openme,"r")) == NULL){
                printf("\nStarting transmission...\n");
                dead++;
        }
}

} //MAIN