Reading files in C
1.fopen
FILE* fptr;
//argv[1] = filename
fptr = fopen(argv[1], "r");
if (fptr == NULL) {
printf("Error: Missing File \"%s\"\n",argv[1]);
exit(0);
}
else{
char ch;
do {
ch = fgetc(fptr);
printf("%c", ch);
} while (ch != EOF);
// Closing the file
fclose(fptr);
}