Infrastructure Monitoring

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

int main(void)
{
        FILE *fp;
        ssize_t read_char_count = 0;
        char *line = NULL;
        size_t len = 0;
        char trapdest[] = "trap2sink 192.168.1.10:162 public";

        fp = fopen("/etc/snmpd.conf", "r+");
        if(fp == NULL)
        {
                perror("unable to open file");
                exit(2);
        }
        while((read_char_count = getline(&line, &len, fp)) != -1)
        {
                if(strcmp(line, "# SECTION: Trap Destinations\n") == 0)
                {
                        printf("%s\n", line);
                        fwrite(trapdest, sizeof(trapdest[0]), sizeof(trapdest)/sizeof(trapdest[0]), fp);
                        fflush(fp);
                }
        }
        if(line)
                free(line);
        fclose(fp);
        return 0;

}