int main(int argc, char *argv[])
{
FILE *fp = NULL;
char *line=NULL;
char str[256];
size_t read;
size_t len = 0;
if(argc!=2)
{
exit(EXIT_FAILURE);
printf("Invalid arguments\n");
}
fp = fopen(argv[1],"r");
if(fp == NULL)
{
printf("ERROR: Couldn't open the file, please check\n");
exit(EXIT_FAILURE);
}
while ((read = getline(&line, &len, fp)) != -1)
{
strcpy(str, line);
int index = firstNonRepeating(line);
if (index == -1)
printf("Invalid String");
else
printf("%c\n", str[index]);
}
return 0;
}
/* Driver program to test above function */
int _panagram()
{
char str[] = "We promptly judged antique ivory buckles for the next prize";
firstNonRepeating(str);
return 0;
}