gistfile1.txt

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

#define TRUE 1
#define FALSE 0

char* PutInStr(const char* fname);
int check(char* sig, char* doc);

int main (int argc, char** argv)
{
	char* str = PutInStr(argv[1]);
	char* str2 = PutInStr(argv[2]);
	if(check(str, str2))
	{
		printf("same\n");
	}
	else
	{
		printf("not same\n");
	}
	system("PAUSE");
	return 0;
}

char* PutInStr(const char* fname)
{
	FILE* fp = fopen(fname, "rb");
	if (!fp) {
		printf("Coudn't open file");
	};
	long sz;
	int i;
	char *rtnstr;
	fseek(fp, 0, SEEK_END);
	sz = ftell(fp);
	if (!(rtnstr = (char*)malloc(sizeof(char) * sz)))
	{
		printf("malloc failed\n");
	}
	fseek(fp, 0, SEEK_SET);
	for (i = 0; i < sz; i++)
	{
		rtnstr[i] = fgetc(fp);
	fclose(fp);
	}
	return rtnstr;
}

int check(char* sig, char* doc)
{
	int i, size, q, same = FALSE, j = 0;
	if (strlen(sig) <= strlen(doc))
	{
		size = strlen(doc);
	
		for (i = 0 ; i < size - strlen(sig); i++)
		{
			for(j = 0, q=0 ; j<strlen(sig); j++)
			{
				if(!(sig[j] == doc[i + j]))
				{
					break;
				}
				else
				{
					q++;
				}
			}	
			if (q==(strlen(sig) - 1))
			{
				same = TRUE; 
				break;
			}
			printf("%d", j);
		}
	}
	return same;
}