Something

#include <stdio.h>

int main(int argc, char *argv[])
{
	FILE *in_file;
	char in_str[256];
	int lc=0,find=0,endf=0;

	if (argc < 2) {
		printf("%s <file name> [line to find] [end range]\n",argv[0]);
		exit(1);
	}

	if (argc == 3) 
		find = atoi(argv[2]);
	if (argc == 4)
		endf = atoi(argv[3]);

	if ((in_file = fopen(argv[1],"r")) == NULL) {
		printf("Can't open file!\n");
		exit(1);
	}
	
	while (fgets(in_str,sizeof(in_str)-1,in_file) != NULL) {
		++lc;
		if (find > 0 && lc == find) {
			printf("%3d: %s",lc,in_str);
			if (endf == 0) {
				fclose(in_file);
				exit(0);
			}
		}
		if (lc > find && lc < endf)
			printf("%3d: %s",lc,in_str);
		if (lc == endf) {
			printf("%3d: %s",lc,in_str);
			fclose(in_file);
			exit(0);
		}
	}
	
	printf("%d lines in file %s",lc,argv[1]);

	fclose(in_file);

	return 0;
}