rem: return 0;
add: return retval;
context: int main(int argc, char *argv[]){	version_kind kind = B_APP_VERSION_KIND;	bool bLongFlag = false;	bool bNumericalFlag = false;	int i;		if(argc < 2)		return 0;		for(i = 1; i < argc; ++i)	{		if(strncmp(argv[i], "-", 1) == 0)		{			char *ptr = argv[i];			++ptr;						if(*ptr == '-')			{				bool lequal = false;				++ptr;								if(*ptr == 'h')				{					lequal = strLessEqual(ptr, "help");					if(lequal == true)					{						help();						return 0;					}				}								else if(*ptr == 'l')				{					lequal = strLessEqual(ptr, "long");					if(lequal == true)						bLongFlag = true;				}								else if(*ptr == 'n')				{					lequal = strLessEqual(ptr, "numerical");					if(lequal == true)						bNumericalFlag = true;				}								else if(*ptr == 's')				{					lequal = strLessEqual(ptr, "system");					if(lequal == true)						kind = B_SYSTEM_VERSION_KIND;				}								else if(*ptr == 'v')				{					lequal = strLessEqual(ptr, "version");					if(lequal == true)					{						getversion(argv[0], B_APP_VERSION_KIND, false, false);						return 0;					}				}								if(lequal == false)					printf("%s unrecognized option `%s'\n", argv[0], argv[i]);			} 						else while(*ptr != '\0')			{				if(*ptr == 'h')				{					help();					return 0;				}				else if(*ptr == 's')					kind = B_SYSTEM_VERSION_KIND;				else if(*ptr == 'l')					bLongFlag = true;				else if(*ptr == 'n')					bNumericalFlag = true;				else					printf("%s: invalid option -- %c\n", argv[0], *ptr);											++ptr;			}		}	}			for(i = 1; i < argc; ++i)	{		if(strncmp(argv[i], "-", 1) != 0)			getversion(argv[i], kind, bLongFlag, bNumericalFlag);	}	return 0;}