How do I solve this error:C:21:1: error: expected identifier or ‘(’ before ‘{’ token {printf("%d0%d%d\n", date.year, date.month, date.day);

Question

1.00/5 (1 vote)

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#include <stdio.h>

struct date {
        int year;
        int month;
        int day;
    };

void readDate(struct date *);
void readDate(struct date *dateptr)
{
printf("\n Enter a new date:\n");
printf("year:");
scanf("%d",&(*dateptr).year);
printf("month:");
scanf("%d",&(*dateptr).month);
printf("day:");
scanf("%d",&(*dateptr).day);
};
void printDate(struct date);
{printf("%d0%d%d\n",date.year,date.month,date.day);
};
int main(void) {
	struct date today;
	readDate(&today);
	printDate(today);
	return 0;
}

What I have tried:

I don't understand what should i do to solve this error.Please someone help me.

Posted 3-Apr-21 23:54pm

Shruti Velankar

Updated 4-Apr-21 0:04am

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gggustafson 4-Apr-21 11:15am

What's the semicolon doing after void printDate(struct date); ? If the compiler had continued, it would have complained about printDate(today); because printDate is not defined.

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Patrice T · Answer 1 · 2021-04-04T00:04:00

Quote:
I don't understand what should i do to solve this error.Please someone help me.

The error message means that your code is not C anymore when compiler reached the position of error.

Pay attention to semicolons, there are rules to where to put them.
Beautifiing code may help to read:

C++

#include <stdio.h>

struct date {
    int year;
    int month;
    int day;
};

void readDate(struct date * );
void readDate(struct date * dateptr) {
    printf("\n Enter a new date:\n");
    printf("year:");
    scanf("%d", & ( * dateptr).year);
    printf("month:");
    scanf("%d", & ( * dateptr).month);
    printf("day:");
    scanf("%d", & ( * dateptr).day);
};
void printDate(struct date); {
    printf("%d0%d%d\n", date.year, date.month, date.day);
};
int main(void) {
    struct date today;
    readDate( & today);
    printDate(today);
    return 0;
}