C localeconv()

char *decimal_point;		/* Decimal point character
				   for nonmonetary values. */
char *thousands_sep;		/* Thousands separator
				   for nonmonetary values. */
char *grouping;			/* Specifies grouping for
				   nonmonetary values. */
char *int_curr_symbol;	    	/* International currency symbol. */
char *currency_symbol;      	/* Local currency symbol. */
char *mon_decimal_point;    	/* Decimal point character for
				   monetary values. */
char *mon_thousands_sep;    	/* Thousands separator for
				   monetary values. */
char *mon_grouping;		/* Specifies grouping for
				   monetary values. */
char *positive_sign;		/* Positive values indicator for
				   monetary values. */
char *negative_sign;		/* Negative value indicator for
				   monetary values. */
char int_frac_digits;		/* Number of digits displayed to the
				   right of the decimal point for
				   monetary values displayed using
				   international format. */
char frac_digits;		/* Number of digits displayed to the
				   right of the decimal point for
				   monetary values displayed using
				   local format. */
char p_cs_precedes;		/* 1 if currency symbol precedes
				   positive value, 0 if currency
				   symbol follows value. */
char p_sep_by_space;		/* 1 if currency symbol is
				   separated from value by a space,
				   0 otherwise. In C99, contains a
				   value that indicates separation. */
char n_cs_precedes;		/* 1 if currency symbol precedes
				   a negative value, 0 if currency
				   symbol follows value. */
char n_sep_by_space;		/* 1 if currency symbol is
				   separated from a negative
				   value by a space, 0 if
				   currency symbol follows value.
				   In C99, contains a value that
				   indicates separation. */
char p_sign_posn;		/* Indicates position of
				   positive value symbol. */
char n_sign_posn;		/* Indicates position of
				   negative value symbol. */

/* The following members were added by C99. */
char _p_cs_precedes;		/* 1 if currency symbol precedes
				   positive value, 0 if currency
				   symbol follows value. Applies to
				   internationally formatted values. */
char _p_sep_by_space;		/* Indicates the separation between the
				   currency symbol, sign, and a positive value.
				   Applies to internationally formatted values. */
char _n_cs_precedes;		/* 1 if currency symbol precedes
				   a negative value, 0 if currency
				   symbol follows value. Applies to
				   internationally formatted values. */
char _n_sep_by_space;		/* Indicates the separation between the
				   currency symbol, sign, and a negative value.
				   Applies to internationally formatted values. */
char _p_sign_posn;		/* Indicates position of
				   positive value symbol. Applies to
				   internationally formatted values. */
char n_sign_posn;		/* Indicates position of
				   negative value symbol. Applies to
				   internationally formatted values. */

#include<locale.h>
struct lconv *localeconv(void);

#include<stdio.h>
#include<locale.h>
#include<conio.h>
void main()
{
	clrscr();
	struct lconv lc;
	lc = *localeconv();
	printf("Decimal symbol is: %s\n", lc.decimal_point);
	getch();
}