process_filter
struct process_filter *filt = malloc(sizeof(*filt));
filt->next = process_filter;
process_filter = filt;
struct process_filter *filt;
if (!process_filter)
filt = process_filter;
if (process_filter)
} while (!process_filter && thresh && count < tchart->proc_num);
struct process_filter *next;
static struct process_filter *process_filter;