int		sgstr_ltrim	(char *string, char *ws) {
	char	mask[256];

	int i;
	for(i=0; i<256; i++) {
		mask[i]		=	'\0';
		}
	while(*ws) {
		mask[(uchar)*ws]	=	*ws;
		ws++;
		}

	char *ptr		=	string;
	while(*ptr) {
		if(mask[(uchar)*ptr]) {
			ptr++;
			}
		else {
			break;
			}
		}

	while(*ptr && ptr != string) {	// shift the string until we reach \0
		*string			=	*ptr;
		ptr++;
		string++;
		}

		*string			=	*ptr;	// now copy over our null terminus

	return 0;
	}

int		sgstr_rtrim (char *string, char *ws) {
	char	mask[256];

	int i;
	for(i=0; i<256; i++) {
		mask[i]		=	'\0';
		}
	while(*ws) {
		mask[(uchar)*ws]	=	*ws;
		ws++;
		}

	int len		=	strlen(string);

	while(len) {
		len--;
		if(mask[(uchar)string[len]]) {
			string[len]		=	'\0';
			}
		else {
			break;
			}
		}

	return 0;
	}