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while (fgets(buffer, 256, fp) != NULL) {

		i = 0;
		n = strlen(buffer);
		// the followinf loop find position of the input word in the current line and
		// print the position of the word on the screen
		// the loop basically reads each word of the file and compare it with the input word
		while (i < n) {

			// comparing current word with input word
			j = 0;
			while (i < n && j < m && buffer[i] == wrd[j]) {
				++i, ++j;
			}

			// the following condition implies that the current word of buffer
			// is equal to input word
			if ((i == n || buffer[i] == ' ' || buffer[i] == '\n') && j == m) {
				printf("Line: %d ", line);
				printf("Column: %d\n", i - m);
			}

			// moving to next word
			while (i < n && buffer[i] != ' ') {
				++i;
			}
			++i;

		}

		++line;

	}